21197874

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 43467840

約数和(自身を除く): 22269966

約数列:

[1, 2, 3, 6, 59, 118, 177, 233, 257, 354, 466, 514, 699, 771, 1398, 1542, 13747, 15163, 27494, 30326, 41241, 45489, 59881, 82482, 90978, 119762, 179643, 359286, 3532979, 7065958, 10598937, 21197874]

約数ペア:

[(1, 21197874), (2, 10598937), (3, 7065958), (6, 3532979), (59, 359286), (118, 179643), (177, 119762), (233, 90978), (257, 82482), (354, 59881), (466, 45489), (514, 41241), (699, 30326), (771, 27494), (1398, 15163), (1542, 13747)]