21717618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6791}}^1$

素因数の和:6850

約数の個数: 32

約数和(自身を含む): 47924352

約数和(自身を除く): 26206734

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6791, 13582, 20373, 40746, 88283, 176566, 264849, 278431, 529698, 556862, 835293, 1670586, 3619603, 7239206, 10858809, 21717618]

約数ペア:

[(1, 21717618), (2, 10858809), (3, 7239206), (6, 3619603), (13, 1670586), (26, 835293), (39, 556862), (41, 529698), (78, 278431), (82, 264849), (123, 176566), (246, 88283), (533, 40746), (1066, 20373), (1599, 13582), (3198, 6791)]