21546366920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41435321}}^1$

素因数の和:41435345

約数の個数: 32

約数和(自身を含む): 52208505720

約数和(自身を除く): 30662138800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 41435321, 82870642, 165741284, 207176605, 331482568, 414353210, 538659173, 828706420, 1077318346, 1657412840, 2154636692, 2693295865, 4309273384, 5386591730, 10773183460, 21546366920]

約数ペア:

[(1, 21546366920), (2, 10773183460), (4, 5386591730), (5, 4309273384), (8, 2693295865), (10, 2154636692), (13, 1657412840), (20, 1077318346), (26, 828706420), (40, 538659173), (52, 414353210), (65, 331482568), (104, 207176605), (130, 165741284), (260, 82870642), (520, 41435321)]