21913486

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4219}}^1$

素因数の和:4288

約数の個数: 24

約数和(自身を含む): 38967480

約数和(自身を除く): 17053994

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4219, 5194, 8438, 29533, 59066, 206731, 223607, 413462, 447214, 1565249, 3130498, 10956743, 21913486]

約数ペア:

[(1, 21913486), (2, 10956743), (7, 3130498), (14, 1565249), (49, 447214), (53, 413462), (98, 223607), (106, 206731), (371, 59066), (742, 29533), (2597, 8438), (4219, 5194)]