21227570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23327}}^1$

素因数の和:23354

約数の個数: 32

約数和(自身を含む): 47029248

約数和(自身を除く): 25801678

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23327, 46654, 116635, 163289, 233270, 303251, 326578, 606502, 816445, 1516255, 1632890, 2122757, 3032510, 4245514, 10613785, 21227570]

約数ペア:

[(1, 21227570), (2, 10613785), (5, 4245514), (7, 3032510), (10, 2122757), (13, 1632890), (14, 1516255), (26, 816445), (35, 606502), (65, 326578), (70, 303251), (91, 233270), (130, 163289), (182, 116635), (455, 46654), (910, 23327)]