21725638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{16189}}^1$

素因数の和:16263

約数の個数: 16

約数和(自身を含む): 36136080

約数和(自身を除く): 14410442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 16189, 32378, 178079, 356158, 987529, 1975058, 10862819, 21725638]

約数ペア:

[(1, 21725638), (2, 10862819), (11, 1975058), (22, 987529), (61, 356158), (122, 178079), (671, 32378), (1342, 16189)]