21370096

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121421}}^1$

素因数の和:121440

約数の個数: 20

約数和(自身を含む): 45168984

約数和(自身を除く): 23798888

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121421, 242842, 485684, 971368, 1335631, 1942736, 2671262, 5342524, 10685048, 21370096]

約数ペア:

[(1, 21370096), (2, 10685048), (4, 5342524), (8, 2671262), (11, 1942736), (16, 1335631), (22, 971368), (44, 485684), (88, 242842), (176, 121421)]