21897630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{521}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 57165264

約数和(自身を除く): 35267634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 467, 521, 934, 1042, 1401, 1563, 2335, 2605, 2802, 3126, 4203, 4670, 4689, 5210, 7005, 7815, 8406, 9378, 14010, 15630, 21015, 23445, 42030, 46890, 243307, 486614, 729921, 1216535, 1459842, 2189763, 2433070, 3649605, 4379526, 7299210, 10948815, 21897630]

約数ペア:

[(1, 21897630), (2, 10948815), (3, 7299210), (5, 4379526), (6, 3649605), (9, 2433070), (10, 2189763), (15, 1459842), (18, 1216535), (30, 729921), (45, 486614), (90, 243307), (467, 46890), (521, 42030), (934, 23445), (1042, 21015), (1401, 15630), (1563, 14010), (2335, 9378), (2605, 8406), (2802, 7815), (3126, 7005), (4203, 5210), (4670, 4689)]