21510450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3677}}^1$

素因数の和:3708

約数の個数: 72

約数和(自身を含む): 62253828

約数和(自身を除く): 40743378

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3677, 5850, 7354, 11031, 18385, 22062, 33093, 36770, 47801, 55155, 66186, 91925, 95602, 110310, 143403, 165465, 183850, 239005, 275775, 286806, 330930, 430209, 478010, 551550, 717015, 827325, 860418, 1195025, 1434030, 1654650, 2151045, 2390050, 3585075, 4302090, 7170150, 10755225, 21510450]

約数ペア:

[(1, 21510450), (2, 10755225), (3, 7170150), (5, 4302090), (6, 3585075), (9, 2390050), (10, 2151045), (13, 1654650), (15, 1434030), (18, 1195025), (25, 860418), (26, 827325), (30, 717015), (39, 551550), (45, 478010), (50, 430209), (65, 330930), (75, 286806), (78, 275775), (90, 239005), (117, 183850), (130, 165465), (150, 143403), (195, 110310), (225, 95602), (234, 91925), (325, 66186), (390, 55155), (450, 47801), (585, 36770), (650, 33093), (975, 22062), (1170, 18385), (1950, 11031), (2925, 7354), (3677, 5850)]