21270333

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5303}}^1$

素因数の和:5504

約数の個数: 16

約数和(自身を含む): 32587776

約数和(自身を除く): 11317443

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5303, 15909, 37121, 111363, 1012873, 3038619, 7090111, 21270333]

約数ペア:

[(1, 21270333), (3, 7090111), (7, 3038619), (21, 1012873), (191, 111363), (573, 37121), (1337, 15909), (4011, 5303)]