21329880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 76416480

約数和(自身を除く): 55086600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 113, 120, 121, 130, 132, 143, 156, 165, 195, 220, 226, 242, 260, 264, 286, 312, 330, 339, 363, 390, 429, 440, 452, 484, 520, 565, 572, 605, 660, 678, 715, 726, 780, 858, 904, 968, 1130, 1144, 1210, 1243, 1320, 1356, 1430, 1452, 1469, 1560, 1573, 1695, 1716, 1815, 2145, 2260, 2420, 2486, 2712, 2860, 2904, 2938, 3146, 3390, 3432, 3630, 3729, 4290, 4407, 4520, 4719, 4840, 4972, 5720, 5876, 6215, 6292, 6780, 7260, 7345, 7458, 7865, 8580, 8814, 9438, 9944, 11752, 12430, 12584, 13560, 13673, 14520, 14690, 14916, 15730, 16159, 17160, 17628, 18645, 18876, 22035, 23595, 24860, 27346, 29380, 29832, 31460, 32318, 35256, 37290, 37752, 41019, 44070, 47190, 48477, 49720, 54692, 58760, 62920, 64636, 68365, 74580, 80795, 82038, 88140, 94380, 96954, 109384, 129272, 136730, 149160, 161590, 164076, 176280, 177749, 188760, 193908, 205095, 242385, 273460, 323180, 328152, 355498, 387816, 410190, 484770, 533247, 546920, 646360, 710996, 820380, 888745, 969540, 1066494, 1421992, 1640760, 1777490, 1939080, 2132988, 2666235, 3554980, 4265976, 5332470, 7109960, 10664940, 21329880]

約数ペア:

[(1, 21329880), (2, 10664940), (3, 7109960), (4, 5332470), (5, 4265976), (6, 3554980), (8, 2666235), (10, 2132988), (11, 1939080), (12, 1777490), (13, 1640760), (15, 1421992), (20, 1066494), (22, 969540), (24, 888745), (26, 820380), (30, 710996), (33, 646360), (39, 546920), (40, 533247), (44, 484770), (52, 410190), (55, 387816), (60, 355498), (65, 328152), (66, 323180), (78, 273460), (88, 242385), (104, 205095), (110, 193908), (113, 188760), (120, 177749), (121, 176280), (130, 164076), (132, 161590), (143, 149160), (156, 136730), (165, 129272), (195, 109384), (220, 96954), (226, 94380), (242, 88140), (260, 82038), (264, 80795), (286, 74580), (312, 68365), (330, 64636), (339, 62920), (363, 58760), (390, 54692), (429, 49720), (440, 48477), (452, 47190), (484, 44070), (520, 41019), (565, 37752), (572, 37290), (605, 35256), (660, 32318), (678, 31460), (715, 29832), (726, 29380), (780, 27346), (858, 24860), (904, 23595), (968, 22035), (1130, 18876), (1144, 18645), (1210, 17628), (1243, 17160), (1320, 16159), (1356, 15730), (1430, 14916), (1452, 14690), (1469, 14520), (1560, 13673), (1573, 13560), (1695, 12584), (1716, 12430), (1815, 11752), (2145, 9944), (2260, 9438), (2420, 8814), (2486, 8580), (2712, 7865), (2860, 7458), (2904, 7345), (2938, 7260), (3146, 6780), (3390, 6292), (3432, 6215), (3630, 5876), (3729, 5720), (4290, 4972), (4407, 4840), (4520, 4719)]