21030303

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43541}}^1$

素因数の和:43574

約数の個数: 16

約数和(自身を含む): 33440256

約数和(自身を除く): 12409953

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43541, 130623, 304787, 914361, 1001443, 3004329, 7010101, 21030303]

約数ペア:

[(1, 21030303), (3, 7010101), (7, 3004329), (21, 1001443), (23, 914361), (69, 304787), (161, 130623), (483, 43541)]