21134524580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{498691}}^1$

素因数の和:498876

約数の個数: 48

約数和(自身を含む): 48089866944

約数和(自身を除く): 26955342364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 2119, 3260, 4238, 8476, 10595, 21190, 42380, 498691, 997382, 1994764, 2493455, 4986910, 6482983, 9973820, 12965966, 25931932, 32414915, 64829830, 81286633, 129659660, 162573266, 325146532, 406433165, 812866330, 1056726229, 1625732660, 2113452458, 4226904916, 5283631145, 10567262290, 21134524580]

約数ペア:

[(1, 21134524580), (2, 10567262290), (4, 5283631145), (5, 4226904916), (10, 2113452458), (13, 1625732660), (20, 1056726229), (26, 812866330), (52, 406433165), (65, 325146532), (130, 162573266), (163, 129659660), (260, 81286633), (326, 64829830), (652, 32414915), (815, 25931932), (1630, 12965966), (2119, 9973820), (3260, 6482983), (4238, 4986910), (8476, 2493455), (10595, 1994764), (21190, 997382), (42380, 498691)]