21518462

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3833}}^1$

素因数の和:4243

約数の個数: 16

約数和(自身を含む): 36990432

約数和(自身を除く): 15471970

約数列:

[1, 2, 7, 14, 401, 802, 2807, 3833, 5614, 7666, 26831, 53662, 1537033, 3074066, 10759231, 21518462]

約数ペア:

[(1, 21518462), (2, 10759231), (7, 3074066), (14, 1537033), (401, 53662), (802, 26831), (2807, 7666), (3833, 5614)]