21920091

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{1031}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 30877440

約数和(自身を除く): 8957349

約数列:

[1, 3, 19, 57, 373, 1031, 1119, 3093, 7087, 19589, 21261, 58767, 384563, 1153689, 7306697, 21920091]

約数ペア:

[(1, 21920091), (3, 7306697), (19, 1153689), (57, 384563), (373, 58767), (1031, 21261), (1119, 19589), (3093, 7087)]