21501530

素因数分解:

$2^1\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{1511}}^1$

素因数の和:2941

約数の個数: 16

約数和(自身を含む): 38755584

約数和(自身を除く): 17254054

約数列:

[1, 2, 5, 10, 1423, 1511, 2846, 3022, 7115, 7555, 14230, 15110, 2150153, 4300306, 10750765, 21501530]

約数ペア:

[(1, 21501530), (2, 10750765), (5, 4300306), (10, 2150153), (1423, 15110), (1511, 14230), (2846, 7555), (3022, 7115)]