21741830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{827}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 21181690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 478, 827, 1195, 1654, 2390, 2629, 4135, 5258, 8270, 9097, 13145, 18194, 26290, 45485, 90970, 197653, 395306, 988265, 1976530, 2174183, 4348366, 10870915, 21741830]

約数ペア:

[(1, 21741830), (2, 10870915), (5, 4348366), (10, 2174183), (11, 1976530), (22, 988265), (55, 395306), (110, 197653), (239, 90970), (478, 45485), (827, 26290), (1195, 18194), (1654, 13145), (2390, 9097), (2629, 8270), (4135, 5258)]