21106545

素因数分解:

$3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3079}}^1$

素因数の和:3544

約数の個数: 16

約数和(自身を含む): 33855360

約数和(自身を除く): 12748815

約数列:

[1, 3, 5, 15, 457, 1371, 2285, 3079, 6855, 9237, 15395, 46185, 1407103, 4221309, 7035515, 21106545]

約数ペア:

[(1, 21106545), (3, 7035515), (5, 4221309), (15, 1407103), (457, 46185), (1371, 15395), (2285, 9237), (3079, 6855)]