21671376

素因数分解:

$2^4\times 3^1\times {\mathrm{353}}^1\times {\mathrm{1279}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 56186880

約数和(自身を除く): 34515504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 353, 706, 1059, 1279, 1412, 2118, 2558, 2824, 3837, 4236, 5116, 5648, 7674, 8472, 10232, 15348, 16944, 20464, 30696, 61392, 451487, 902974, 1354461, 1805948, 2708922, 3611896, 5417844, 7223792, 10835688, 21671376]

約数ペア:

[(1, 21671376), (2, 10835688), (3, 7223792), (4, 5417844), (6, 3611896), (8, 2708922), (12, 1805948), (16, 1354461), (24, 902974), (48, 451487), (353, 61392), (706, 30696), (1059, 20464), (1279, 16944), (1412, 15348), (2118, 10232), (2558, 8472), (2824, 7674), (3837, 5648), (4236, 5116)]