21840742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12893}}^1$

素因数の和:12924

約数の個数: 24

約数和(自身を含む): 41157648

約数和(自身を除く): 19316906

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12893, 25786, 90251, 141823, 180502, 283646, 992761, 1560053, 1985522, 3120106, 10920371, 21840742]

約数ペア:

[(1, 21840742), (2, 10920371), (7, 3120106), (11, 1985522), (14, 1560053), (22, 992761), (77, 283646), (121, 180502), (154, 141823), (242, 90251), (847, 25786), (1694, 12893)]