21960813

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1933}}^1$

素因数の和:2484

約数の個数: 16

約数和(自身を含む): 33543296

約数和(自身を除く): 11582483

約数列:

[1, 3, 7, 21, 541, 1623, 1933, 3787, 5799, 11361, 13531, 40593, 1045753, 3137259, 7320271, 21960813]

約数ペア:

[(1, 21960813), (3, 7320271), (7, 3137259), (21, 1045753), (541, 40593), (1623, 13531), (1933, 11361), (3787, 5799)]