21357408

素因数分解:

$2^5\times 3^1\times {\mathrm{379}}^1\times {\mathrm{587}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 34949472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 379, 587, 758, 1137, 1174, 1516, 1761, 2274, 2348, 3032, 3522, 4548, 4696, 6064, 7044, 9096, 9392, 12128, 14088, 18192, 18784, 28176, 36384, 56352, 222473, 444946, 667419, 889892, 1334838, 1779784, 2669676, 3559568, 5339352, 7119136, 10678704, 21357408]

約数ペア:

[(1, 21357408), (2, 10678704), (3, 7119136), (4, 5339352), (6, 3559568), (8, 2669676), (12, 1779784), (16, 1334838), (24, 889892), (32, 667419), (48, 444946), (96, 222473), (379, 56352), (587, 36384), (758, 28176), (1137, 18784), (1174, 18192), (1516, 14088), (1761, 12128), (2274, 9392), (2348, 9096), (3032, 7044), (3522, 6064), (4548, 4696)]