21737940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 70613760

約数和(自身を除く): 48875820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 709, 730, 876, 1022, 1095, 1418, 1460, 1533, 2044, 2127, 2190, 2555, 2836, 3066, 3545, 4254, 4380, 4963, 5110, 6132, 7090, 7665, 8508, 9926, 10220, 10635, 14180, 14889, 15330, 19852, 21270, 24815, 29778, 30660, 42540, 49630, 51757, 59556, 74445, 99260, 103514, 148890, 155271, 207028, 258785, 297780, 310542, 362299, 517570, 621084, 724598, 776355, 1035140, 1086897, 1449196, 1552710, 1811495, 2173794, 3105420, 3622990, 4347588, 5434485, 7245980, 10868970, 21737940]

約数ペア:

[(1, 21737940), (2, 10868970), (3, 7245980), (4, 5434485), (5, 4347588), (6, 3622990), (7, 3105420), (10, 2173794), (12, 1811495), (14, 1552710), (15, 1449196), (20, 1086897), (21, 1035140), (28, 776355), (30, 724598), (35, 621084), (42, 517570), (60, 362299), (70, 310542), (73, 297780), (84, 258785), (105, 207028), (140, 155271), (146, 148890), (210, 103514), (219, 99260), (292, 74445), (365, 59556), (420, 51757), (438, 49630), (511, 42540), (709, 30660), (730, 29778), (876, 24815), (1022, 21270), (1095, 19852), (1418, 15330), (1460, 14889), (1533, 14180), (2044, 10635), (2127, 10220), (2190, 9926), (2555, 8508), (2836, 7665), (3066, 7090), (3545, 6132), (4254, 5110), (4380, 4963)]