21000391710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{12791}}^1\times {\mathrm{54727}}^1$

素因数の和:67528

約数の個数: 32

約数和(自身を含む): 50405801472

約数和(自身を除く): 29405409762

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 12791, 25582, 38373, 54727, 63955, 76746, 109454, 127910, 164181, 191865, 273635, 328362, 383730, 547270, 820905, 1641810, 700013057, 1400026114, 2100039171, 3500065285, 4200078342, 7000130570, 10500195855, 21000391710]

約数ペア:

[(1, 21000391710), (2, 10500195855), (3, 7000130570), (5, 4200078342), (6, 3500065285), (10, 2100039171), (15, 1400026114), (30, 700013057), (12791, 1641810), (25582, 820905), (38373, 547270), (54727, 383730), (63955, 328362), (76746, 273635), (109454, 191865), (127910, 164181)]