21140122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3413}}^1$

素因数の和:3597

約数の個数: 16

約数和(自身を含む): 33593760

約数和(自身を除く): 12453638

約数列:

[1, 2, 19, 38, 163, 326, 3097, 3413, 6194, 6826, 64847, 129694, 556319, 1112638, 10570061, 21140122]

約数ペア:

[(1, 21140122), (2, 10570061), (19, 1112638), (38, 556319), (163, 129694), (326, 64847), (3097, 6826), (3413, 6194)]