21376684

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44909}}^1$

素因数の和:44937

約数の個数: 24

約数和(自身を含む): 45269280

約数和(自身を除く): 23892596

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44909, 89818, 179636, 314363, 628726, 763453, 1257452, 1526906, 3053812, 5344171, 10688342, 21376684]

約数ペア:

[(1, 21376684), (2, 10688342), (4, 5344171), (7, 3053812), (14, 1526906), (17, 1257452), (28, 763453), (34, 628726), (68, 314363), (119, 179636), (238, 89818), (476, 44909)]