21856758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47309}}^1$

素因数の和:47332

約数の個数: 32

約数和(自身を含む): 54501120

約数和(自身を除く): 32644362

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 47309, 94618, 141927, 283854, 331163, 520399, 662326, 993489, 1040798, 1561197, 1986978, 3122394, 3642793, 7285586, 10928379, 21856758]

約数ペア:

[(1, 21856758), (2, 10928379), (3, 7285586), (6, 3642793), (7, 3122394), (11, 1986978), (14, 1561197), (21, 1040798), (22, 993489), (33, 662326), (42, 520399), (66, 331163), (77, 283854), (154, 141927), (231, 94618), (462, 47309)]