21218894

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8923}}^1$

素因数の和:8995

約数の個数: 16

約数和(自身を含む): 33732720

約数和(自身を除く): 12513826

約数列:

[1, 2, 29, 41, 58, 82, 1189, 2378, 8923, 17846, 258767, 365843, 517534, 731686, 10609447, 21218894]

約数ペア:

[(1, 21218894), (2, 10609447), (29, 731686), (41, 517534), (58, 365843), (82, 258767), (1189, 17846), (2378, 8923)]