21249757376

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19531027}}^1$

素因数の和:19531056

約数の個数: 28

約数和(自身を含む): 44647930008

約数和(自身を除く): 23398172632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19531027, 39062054, 78124108, 156248216, 312496432, 332027459, 624992864, 664054918, 1249985728, 1328109836, 2656219672, 5312439344, 10624878688, 21249757376]

約数ペア:

[(1, 21249757376), (2, 10624878688), (4, 5312439344), (8, 2656219672), (16, 1328109836), (17, 1249985728), (32, 664054918), (34, 624992864), (64, 332027459), (68, 312496432), (136, 156248216), (272, 78124108), (544, 39062054), (1088, 19531027)]