21995617555

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1\times {\mathrm{887}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 26929843200

約数和(自身を除く): 4934225645

約数列:

[1, 5, 103, 179, 269, 515, 887, 895, 1345, 4435, 18437, 27707, 48151, 91361, 92185, 138535, 158773, 238603, 240755, 456805, 793865, 1193015, 4959553, 16353619, 24576109, 24797765, 42709937, 81768095, 122880545, 213549685, 4399123511, 21995617555]

約数ペア:

[(1, 21995617555), (5, 4399123511), (103, 213549685), (179, 122880545), (269, 81768095), (515, 42709937), (887, 24797765), (895, 24576109), (1345, 16353619), (4435, 4959553), (18437, 1193015), (27707, 793865), (48151, 456805), (91361, 240755), (92185, 238603), (138535, 158773)]