21572850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 62085312

約数和(自身を除く): 40512462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 37, 39, 46, 50, 65, 69, 74, 75, 78, 111, 115, 130, 138, 150, 169, 185, 195, 222, 230, 299, 325, 338, 345, 370, 390, 481, 507, 555, 575, 598, 650, 690, 845, 851, 897, 925, 962, 975, 1014, 1110, 1150, 1443, 1495, 1690, 1702, 1725, 1794, 1850, 1950, 2405, 2535, 2553, 2775, 2886, 2990, 3450, 3887, 4225, 4255, 4485, 4810, 5070, 5106, 5550, 6253, 7215, 7475, 7774, 8450, 8510, 8970, 11063, 11661, 12025, 12506, 12675, 12765, 14430, 14950, 18759, 19435, 21275, 22126, 22425, 23322, 24050, 25350, 25530, 31265, 33189, 36075, 37518, 38870, 42550, 44850, 55315, 58305, 62530, 63825, 66378, 72150, 93795, 97175, 110630, 116610, 127650, 143819, 156325, 165945, 187590, 194350, 276575, 287638, 291525, 312650, 331890, 431457, 468975, 553150, 583050, 719095, 829725, 862914, 937950, 1438190, 1659450, 2157285, 3595475, 4314570, 7190950, 10786425, 21572850]

約数ペア:

[(1, 21572850), (2, 10786425), (3, 7190950), (5, 4314570), (6, 3595475), (10, 2157285), (13, 1659450), (15, 1438190), (23, 937950), (25, 862914), (26, 829725), (30, 719095), (37, 583050), (39, 553150), (46, 468975), (50, 431457), (65, 331890), (69, 312650), (74, 291525), (75, 287638), (78, 276575), (111, 194350), (115, 187590), (130, 165945), (138, 156325), (150, 143819), (169, 127650), (185, 116610), (195, 110630), (222, 97175), (230, 93795), (299, 72150), (325, 66378), (338, 63825), (345, 62530), (370, 58305), (390, 55315), (481, 44850), (507, 42550), (555, 38870), (575, 37518), (598, 36075), (650, 33189), (690, 31265), (845, 25530), (851, 25350), (897, 24050), (925, 23322), (962, 22425), (975, 22126), (1014, 21275), (1110, 19435), (1150, 18759), (1443, 14950), (1495, 14430), (1690, 12765), (1702, 12675), (1725, 12506), (1794, 12025), (1850, 11661), (1950, 11063), (2405, 8970), (2535, 8510), (2553, 8450), (2775, 7774), (2886, 7475), (2990, 7215), (3450, 6253), (3887, 5550), (4225, 5106), (4255, 5070), (4485, 4810)]