21056554533

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43595351}}^1$

素因数の和:43595384

約数の個数: 16

約数和(自身を含む): 33481230336

約数和(自身を除く): 12424675803

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43595351, 130786053, 305167457, 915502371, 1002693073, 3008079219, 7018851511, 21056554533]

約数ペア:

[(1, 21056554533), (3, 7018851511), (7, 3008079219), (21, 1002693073), (23, 915502371), (69, 305167457), (161, 130786053), (483, 43595351)]