21316734

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27541}}^1$

素因数の和:27592

約数の個数: 24

約数和(自身を含む): 47262072

約数和(自身を除く): 25945338

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27541, 55082, 82623, 165246, 247869, 495738, 1184263, 2368526, 3552789, 7105578, 10658367, 21316734]

約数ペア:

[(1, 21316734), (2, 10658367), (3, 7105578), (6, 3552789), (9, 2368526), (18, 1184263), (43, 495738), (86, 247869), (129, 165246), (258, 82623), (387, 55082), (774, 27541)]