21971422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:744

約数の個数: 24

約数和(自身を含む): 36513288

約数和(自身を除く): 14541866

約数列:

[1, 2, 11, 22, 121, 163, 242, 326, 557, 1114, 1793, 3586, 6127, 12254, 19723, 39446, 67397, 90791, 134794, 181582, 998701, 1997402, 10985711, 21971422]

約数ペア:

[(1, 21971422), (2, 10985711), (11, 1997402), (22, 998701), (121, 181582), (163, 134794), (242, 90791), (326, 67397), (557, 39446), (1114, 19723), (1793, 12254), (3586, 6127)]