21707400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 288

約数和(自身を含む): 83119680

約数和(自身を除く): 61412280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 23, 24, 25, 26, 30, 33, 39, 40, 44, 46, 50, 52, 55, 60, 65, 66, 69, 75, 78, 88, 92, 100, 104, 110, 115, 120, 121, 130, 132, 138, 143, 150, 156, 165, 184, 195, 200, 220, 230, 242, 253, 260, 264, 275, 276, 286, 299, 300, 312, 325, 330, 345, 363, 390, 429, 440, 460, 484, 506, 520, 550, 552, 572, 575, 598, 600, 605, 650, 660, 690, 715, 726, 759, 780, 825, 858, 897, 920, 968, 975, 1012, 1100, 1144, 1150, 1196, 1210, 1265, 1300, 1320, 1380, 1430, 1452, 1495, 1518, 1560, 1573, 1650, 1716, 1725, 1794, 1815, 1950, 2024, 2145, 2200, 2300, 2392, 2420, 2530, 2600, 2760, 2783, 2860, 2904, 2990, 3025, 3036, 3146, 3289, 3300, 3432, 3450, 3575, 3588, 3630, 3795, 3900, 4290, 4485, 4600, 4719, 4840, 5060, 5566, 5720, 5980, 6050, 6072, 6292, 6325, 6578, 6600, 6900, 7150, 7176, 7260, 7475, 7590, 7800, 7865, 8349, 8580, 8970, 9075, 9438, 9867, 10120, 10725, 11132, 11960, 12100, 12584, 12650, 13156, 13800, 13915, 14300, 14520, 14950, 15180, 15730, 16445, 16698, 17160, 17940, 18150, 18876, 18975, 19734, 21450, 22264, 22425, 23595, 24200, 25300, 26312, 27830, 28600, 29900, 30360, 31460, 32890, 33396, 35880, 36179, 36300, 37752, 37950, 39325, 39468, 41745, 42900, 44850, 47190, 49335, 50600, 55660, 59800, 62920, 65780, 66792, 69575, 72358, 72600, 75900, 78650, 78936, 82225, 83490, 85800, 89700, 94380, 98670, 108537, 111320, 117975, 131560, 139150, 144716, 151800, 157300, 164450, 166980, 179400, 180895, 188760, 197340, 208725, 217074, 235950, 246675, 278300, 289432, 314600, 328900, 333960, 361790, 394680, 417450, 434148, 471900, 493350, 542685, 556600, 657800, 723580, 834900, 868296, 904475, 943800, 986700, 1085370, 1447160, 1669800, 1808950, 1973400, 2170740, 2713425, 3617900, 4341480, 5426850, 7235800, 10853700, 21707400]

約数ペア:

[(1, 21707400), (2, 10853700), (3, 7235800), (4, 5426850), (5, 4341480), (6, 3617900), (8, 2713425), (10, 2170740), (11, 1973400), (12, 1808950), (13, 1669800), (15, 1447160), (20, 1085370), (22, 986700), (23, 943800), (24, 904475), (25, 868296), (26, 834900), (30, 723580), (33, 657800), (39, 556600), (40, 542685), (44, 493350), (46, 471900), (50, 434148), (52, 417450), (55, 394680), (60, 361790), (65, 333960), (66, 328900), (69, 314600), (75, 289432), (78, 278300), (88, 246675), (92, 235950), (100, 217074), (104, 208725), (110, 197340), (115, 188760), (120, 180895), (121, 179400), (130, 166980), (132, 164450), (138, 157300), (143, 151800), (150, 144716), (156, 139150), (165, 131560), (184, 117975), (195, 111320), (200, 108537), (220, 98670), (230, 94380), (242, 89700), (253, 85800), (260, 83490), (264, 82225), (275, 78936), (276, 78650), (286, 75900), (299, 72600), (300, 72358), (312, 69575), (325, 66792), (330, 65780), (345, 62920), (363, 59800), (390, 55660), (429, 50600), (440, 49335), (460, 47190), (484, 44850), (506, 42900), (520, 41745), (550, 39468), (552, 39325), (572, 37950), (575, 37752), (598, 36300), (600, 36179), (605, 35880), (650, 33396), (660, 32890), (690, 31460), (715, 30360), (726, 29900), (759, 28600), (780, 27830), (825, 26312), (858, 25300), (897, 24200), (920, 23595), (968, 22425), (975, 22264), (1012, 21450), (1100, 19734), (1144, 18975), (1150, 18876), (1196, 18150), (1210, 17940), (1265, 17160), (1300, 16698), (1320, 16445), (1380, 15730), (1430, 15180), (1452, 14950), (1495, 14520), (1518, 14300), (1560, 13915), (1573, 13800), (1650, 13156), (1716, 12650), (1725, 12584), (1794, 12100), (1815, 11960), (1950, 11132), (2024, 10725), (2145, 10120), (2200, 9867), (2300, 9438), (2392, 9075), (2420, 8970), (2530, 8580), (2600, 8349), (2760, 7865), (2783, 7800), (2860, 7590), (2904, 7475), (2990, 7260), (3025, 7176), (3036, 7150), (3146, 6900), (3289, 6600), (3300, 6578), (3432, 6325), (3450, 6292), (3575, 6072), (3588, 6050), (3630, 5980), (3795, 5720), (3900, 5566), (4290, 5060), (4485, 4840), (4600, 4719)]