21579750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 41319450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 125, 135, 138, 139, 150, 207, 225, 230, 250, 270, 278, 345, 375, 414, 417, 450, 575, 621, 675, 690, 695, 750, 834, 1035, 1125, 1150, 1242, 1251, 1350, 1390, 1725, 2070, 2085, 2250, 2502, 2875, 3105, 3197, 3375, 3450, 3475, 3753, 4170, 5175, 5750, 6210, 6255, 6394, 6750, 6950, 7506, 8625, 9591, 10350, 10425, 12510, 15525, 15985, 17250, 17375, 18765, 19182, 20850, 25875, 28773, 31050, 31275, 31970, 34750, 37530, 47955, 51750, 52125, 57546, 62550, 77625, 79925, 86319, 93825, 95910, 104250, 143865, 155250, 156375, 159850, 172638, 187650, 239775, 287730, 312750, 399625, 431595, 469125, 479550, 719325, 799250, 863190, 938250, 1198875, 1438650, 2157975, 2397750, 3596625, 4315950, 7193250, 10789875, 21579750]

約数ペア:

[(1, 21579750), (2, 10789875), (3, 7193250), (5, 4315950), (6, 3596625), (9, 2397750), (10, 2157975), (15, 1438650), (18, 1198875), (23, 938250), (25, 863190), (27, 799250), (30, 719325), (45, 479550), (46, 469125), (50, 431595), (54, 399625), (69, 312750), (75, 287730), (90, 239775), (115, 187650), (125, 172638), (135, 159850), (138, 156375), (139, 155250), (150, 143865), (207, 104250), (225, 95910), (230, 93825), (250, 86319), (270, 79925), (278, 77625), (345, 62550), (375, 57546), (414, 52125), (417, 51750), (450, 47955), (575, 37530), (621, 34750), (675, 31970), (690, 31275), (695, 31050), (750, 28773), (834, 25875), (1035, 20850), (1125, 19182), (1150, 18765), (1242, 17375), (1251, 17250), (1350, 15985), (1390, 15525), (1725, 12510), (2070, 10425), (2085, 10350), (2250, 9591), (2502, 8625), (2875, 7506), (3105, 6950), (3197, 6750), (3375, 6394), (3450, 6255), (3475, 6210), (3753, 5750), (4170, 5175)]