21644876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 24440884

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1523, 3046, 3553, 6092, 7106, 14212, 16753, 25891, 28937, 33506, 51782, 57874, 67012, 103564, 115748, 284801, 318307, 491929, 569602, 636614, 983858, 1139204, 1273228, 1967716, 5411219, 10822438, 21644876]

約数ペア:

[(1, 21644876), (2, 10822438), (4, 5411219), (11, 1967716), (17, 1273228), (19, 1139204), (22, 983858), (34, 636614), (38, 569602), (44, 491929), (68, 318307), (76, 284801), (187, 115748), (209, 103564), (323, 67012), (374, 57874), (418, 51782), (646, 33506), (748, 28937), (836, 25891), (1292, 16753), (1523, 14212), (3046, 7106), (3553, 6092)]