21750300

素因数分解:

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

素因数の和:70

約数の個数: 216

約数和(自身を含む): 80567760

約数和(自身を除く): 58817460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 25, 26, 30, 33, 36, 39, 44, 45, 50, 52, 55, 60, 65, 66, 75, 78, 90, 99, 100, 110, 117, 130, 132, 143, 150, 156, 165, 169, 180, 195, 198, 220, 225, 234, 260, 275, 286, 300, 325, 330, 338, 390, 396, 429, 450, 468, 495, 507, 550, 572, 585, 650, 660, 676, 715, 780, 825, 845, 858, 900, 975, 990, 1014, 1100, 1170, 1287, 1300, 1430, 1521, 1650, 1690, 1716, 1859, 1950, 1980, 2028, 2145, 2197, 2340, 2475, 2535, 2574, 2860, 2925, 3042, 3300, 3380, 3575, 3718, 3900, 4225, 4290, 4394, 4950, 5070, 5148, 5577, 5850, 6084, 6435, 6591, 7150, 7436, 7605, 8450, 8580, 8788, 9295, 9900, 10140, 10725, 10985, 11154, 11700, 12675, 12870, 13182, 14300, 15210, 16731, 16900, 18590, 19773, 21450, 21970, 22308, 24167, 25350, 25740, 26364, 27885, 30420, 32175, 32955, 33462, 37180, 38025, 39546, 42900, 43940, 46475, 48334, 50700, 54925, 55770, 64350, 65910, 66924, 72501, 76050, 79092, 83655, 92950, 96668, 98865, 109850, 111540, 120835, 128700, 131820, 139425, 145002, 152100, 164775, 167310, 185900, 197730, 217503, 219700, 241670, 278850, 290004, 329550, 334620, 362505, 395460, 418275, 435006, 483340, 494325, 557700, 604175, 659100, 725010, 836550, 870012, 988650, 1087515, 1208350, 1450020, 1673100, 1812525, 1977300, 2175030, 2416700, 3625050, 4350060, 5437575, 7250100, 10875150, 21750300]

約数ペア:

[(1, 21750300), (2, 10875150), (3, 7250100), (4, 5437575), (5, 4350060), (6, 3625050), (9, 2416700), (10, 2175030), (11, 1977300), (12, 1812525), (13, 1673100), (15, 1450020), (18, 1208350), (20, 1087515), (22, 988650), (25, 870012), (26, 836550), (30, 725010), (33, 659100), (36, 604175), (39, 557700), (44, 494325), (45, 483340), (50, 435006), (52, 418275), (55, 395460), (60, 362505), (65, 334620), (66, 329550), (75, 290004), (78, 278850), (90, 241670), (99, 219700), (100, 217503), (110, 197730), (117, 185900), (130, 167310), (132, 164775), (143, 152100), (150, 145002), (156, 139425), (165, 131820), (169, 128700), (180, 120835), (195, 111540), (198, 109850), (220, 98865), (225, 96668), (234, 92950), (260, 83655), (275, 79092), (286, 76050), (300, 72501), (325, 66924), (330, 65910), (338, 64350), (390, 55770), (396, 54925), (429, 50700), (450, 48334), (468, 46475), (495, 43940), (507, 42900), (550, 39546), (572, 38025), (585, 37180), (650, 33462), (660, 32955), (676, 32175), (715, 30420), (780, 27885), (825, 26364), (845, 25740), (858, 25350), (900, 24167), (975, 22308), (990, 21970), (1014, 21450), (1100, 19773), (1170, 18590), (1287, 16900), (1300, 16731), (1430, 15210), (1521, 14300), (1650, 13182), (1690, 12870), (1716, 12675), (1859, 11700), (1950, 11154), (1980, 10985), (2028, 10725), (2145, 10140), (2197, 9900), (2340, 9295), (2475, 8788), (2535, 8580), (2574, 8450), (2860, 7605), (2925, 7436), (3042, 7150), (3300, 6591), (3380, 6435), (3575, 6084), (3718, 5850), (3900, 5577), (4225, 5148), (4290, 5070), (4394, 4950)]