21092532

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 51640512

約数和(自身を除く): 30547980

約数列:

[1, 2, 3, 4, 6, 12, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 492, 516, 997, 1763, 1994, 2991, 3526, 3988, 5289, 5982, 7052, 10578, 11964, 21156, 40877, 42871, 81754, 85742, 122631, 128613, 163508, 171484, 245262, 257226, 490524, 514452, 1757711, 3515422, 5273133, 7030844, 10546266, 21092532]

約数ペア:

[(1, 21092532), (2, 10546266), (3, 7030844), (4, 5273133), (6, 3515422), (12, 1757711), (41, 514452), (43, 490524), (82, 257226), (86, 245262), (123, 171484), (129, 163508), (164, 128613), (172, 122631), (246, 85742), (258, 81754), (492, 42871), (516, 40877), (997, 21156), (1763, 11964), (1994, 10578), (2991, 7052), (3526, 5982), (3988, 5289)]