21582484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 47738880

約数和(自身を除く): 26156396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 553, 869, 887, 1106, 1738, 1774, 2212, 3476, 3548, 6083, 6209, 9757, 12166, 12418, 19514, 24332, 24836, 39028, 68299, 70073, 136598, 140146, 273196, 280292, 490511, 770803, 981022, 1541606, 1962044, 3083212, 5395621, 10791242, 21582484]

約数ペア:

[(1, 21582484), (2, 10791242), (4, 5395621), (7, 3083212), (11, 1962044), (14, 1541606), (22, 981022), (28, 770803), (44, 490511), (77, 280292), (79, 273196), (154, 140146), (158, 136598), (308, 70073), (316, 68299), (553, 39028), (869, 24836), (887, 24332), (1106, 19514), (1738, 12418), (1774, 12166), (2212, 9757), (3476, 6209), (3548, 6083)]