21945664

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{2029}}^1$

素因数の和:2067

約数の個数: 42

約数和(自身を含む): 47179230

約数和(自身を除く): 25233566

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2029, 2704, 4058, 5408, 8116, 10816, 16232, 26377, 32464, 52754, 64928, 105508, 129856, 211016, 342901, 422032, 685802, 844064, 1371604, 1688128, 2743208, 5486416, 10972832, 21945664]

約数ペア:

[(1, 21945664), (2, 10972832), (4, 5486416), (8, 2743208), (13, 1688128), (16, 1371604), (26, 844064), (32, 685802), (52, 422032), (64, 342901), (104, 211016), (169, 129856), (208, 105508), (338, 64928), (416, 52754), (676, 32464), (832, 26377), (1352, 16232), (2029, 10816), (2704, 8116), (4058, 5408)]