21080100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2423}}^1$

素因数の和:2469

約数の個数: 72

約数和(自身を含む): 63120960

約数和(自身を除く): 42040860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2423, 2900, 4350, 4846, 7269, 8700, 9692, 12115, 14538, 24230, 29076, 36345, 48460, 60575, 70267, 72690, 121150, 140534, 145380, 181725, 210801, 242300, 281068, 351335, 363450, 421602, 702670, 726900, 843204, 1054005, 1405340, 1756675, 2108010, 3513350, 4216020, 5270025, 7026700, 10540050, 21080100]

約数ペア:

[(1, 21080100), (2, 10540050), (3, 7026700), (4, 5270025), (5, 4216020), (6, 3513350), (10, 2108010), (12, 1756675), (15, 1405340), (20, 1054005), (25, 843204), (29, 726900), (30, 702670), (50, 421602), (58, 363450), (60, 351335), (75, 281068), (87, 242300), (100, 210801), (116, 181725), (145, 145380), (150, 140534), (174, 121150), (290, 72690), (300, 70267), (348, 60575), (435, 48460), (580, 36345), (725, 29076), (870, 24230), (1450, 14538), (1740, 12115), (2175, 9692), (2423, 8700), (2900, 7269), (4350, 4846)]