21636670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{823}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 42716160

約数和(自身を除く): 21079490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 478, 823, 1195, 1646, 2390, 2629, 4115, 5258, 8230, 9053, 13145, 18106, 26290, 45265, 90530, 196697, 393394, 983485, 1966970, 2163667, 4327334, 10818335, 21636670]

約数ペア:

[(1, 21636670), (2, 10818335), (5, 4327334), (10, 2163667), (11, 1966970), (22, 983485), (55, 393394), (110, 196697), (239, 90530), (478, 45265), (823, 26290), (1195, 18106), (1646, 13145), (2390, 9053), (2629, 8230), (4115, 5258)]