21973623

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1583}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 33555456

約数和(自身を除く): 11581833

約数列:

[1, 3, 7, 21, 661, 1583, 1983, 4627, 4749, 11081, 13881, 33243, 1046363, 3139089, 7324541, 21973623]

約数ペア:

[(1, 21973623), (3, 7324541), (7, 3139089), (21, 1046363), (661, 33243), (1583, 13881), (1983, 11081), (4627, 4749)]