21124350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 64183392

約数和(自身を除く): 43059042

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 25, 26, 30, 39, 45, 46, 50, 65, 69, 75, 78, 90, 115, 117, 130, 138, 150, 157, 195, 207, 225, 230, 234, 299, 314, 325, 345, 390, 414, 450, 471, 575, 585, 598, 650, 690, 785, 897, 942, 975, 1035, 1150, 1170, 1413, 1495, 1570, 1725, 1794, 1950, 2041, 2070, 2355, 2691, 2826, 2925, 2990, 3450, 3611, 3925, 4082, 4485, 4710, 5175, 5382, 5850, 6123, 7065, 7222, 7475, 7850, 8970, 10205, 10350, 10833, 11775, 12246, 13455, 14130, 14950, 18055, 18369, 20410, 21666, 22425, 23550, 26910, 30615, 32499, 35325, 36110, 36738, 44850, 46943, 51025, 54165, 61230, 64998, 67275, 70650, 90275, 91845, 93886, 102050, 108330, 134550, 140829, 153075, 162495, 180550, 183690, 234715, 270825, 281658, 306150, 324990, 422487, 459225, 469430, 541650, 704145, 812475, 844974, 918450, 1173575, 1408290, 1624950, 2112435, 2347150, 3520725, 4224870, 7041450, 10562175, 21124350]

約数ペア:

[(1, 21124350), (2, 10562175), (3, 7041450), (5, 4224870), (6, 3520725), (9, 2347150), (10, 2112435), (13, 1624950), (15, 1408290), (18, 1173575), (23, 918450), (25, 844974), (26, 812475), (30, 704145), (39, 541650), (45, 469430), (46, 459225), (50, 422487), (65, 324990), (69, 306150), (75, 281658), (78, 270825), (90, 234715), (115, 183690), (117, 180550), (130, 162495), (138, 153075), (150, 140829), (157, 134550), (195, 108330), (207, 102050), (225, 93886), (230, 91845), (234, 90275), (299, 70650), (314, 67275), (325, 64998), (345, 61230), (390, 54165), (414, 51025), (450, 46943), (471, 44850), (575, 36738), (585, 36110), (598, 35325), (650, 32499), (690, 30615), (785, 26910), (897, 23550), (942, 22425), (975, 21666), (1035, 20410), (1150, 18369), (1170, 18055), (1413, 14950), (1495, 14130), (1570, 13455), (1725, 12246), (1794, 11775), (1950, 10833), (2041, 10350), (2070, 10205), (2355, 8970), (2691, 7850), (2826, 7475), (2925, 7222), (2990, 7065), (3450, 6123), (3611, 5850), (3925, 5382), (4082, 5175), (4485, 4710)]