21904432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7321}}^1$

素因数の和:7357

約数の個数: 40

約数和(自身を含む): 49028112

約数和(自身を除く): 27123680

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7321, 14642, 29284, 58568, 80531, 117136, 124457, 161062, 248914, 322124, 497828, 644248, 995656, 1288496, 1369027, 1991312, 2738054, 5476108, 10952216, 21904432]

約数ペア:

[(1, 21904432), (2, 10952216), (4, 5476108), (8, 2738054), (11, 1991312), (16, 1369027), (17, 1288496), (22, 995656), (34, 644248), (44, 497828), (68, 322124), (88, 248914), (136, 161062), (176, 124457), (187, 117136), (272, 80531), (374, 58568), (748, 29284), (1496, 14642), (2992, 7321)]