21151238

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3517}}^1$

素因数の和:3647

約数の個数: 16

約数和(自身を含む): 33097344

約数和(自身を除く): 11946106

約数列:

[1, 2, 31, 62, 97, 194, 3007, 3517, 6014, 7034, 109027, 218054, 341149, 682298, 10575619, 21151238]

約数ペア:

[(1, 21151238), (2, 10575619), (31, 682298), (62, 341149), (97, 218054), (194, 109027), (3007, 7034), (3517, 6014)]