21196756

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44531}}^1$

素因数の和:44559

約数の個数: 24

約数和(自身を含む): 44888256

約数和(自身を除く): 23691500

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44531, 89062, 178124, 311717, 623434, 757027, 1246868, 1514054, 3028108, 5299189, 10598378, 21196756]

約数ペア:

[(1, 21196756), (2, 10598378), (4, 5299189), (7, 3028108), (14, 1514054), (17, 1246868), (28, 757027), (34, 623434), (68, 311717), (119, 178124), (238, 89062), (476, 44531)]