21167293550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{75557}}^1$

素因数の和:76013

約数の個数: 48

約数和(自身を含む): 42498654912

約数和(自身を除く): 21331361362

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 431, 650, 862, 2155, 4310, 5603, 10775, 11206, 21550, 28015, 56030, 75557, 140075, 151114, 280150, 377785, 755570, 982241, 1888925, 1964482, 3777850, 4911205, 9822410, 24556025, 32565067, 49112050, 65130134, 162825335, 325650670, 423345871, 814126675, 846691742, 1628253350, 2116729355, 4233458710, 10583646775, 21167293550]

約数ペア:

[(1, 21167293550), (2, 10583646775), (5, 4233458710), (10, 2116729355), (13, 1628253350), (25, 846691742), (26, 814126675), (50, 423345871), (65, 325650670), (130, 162825335), (325, 65130134), (431, 49112050), (650, 32565067), (862, 24556025), (2155, 9822410), (4310, 4911205), (5603, 3777850), (10775, 1964482), (11206, 1888925), (21550, 982241), (28015, 755570), (56030, 377785), (75557, 280150), (140075, 151114)]