21659802

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 46246464

約数和(自身を除く): 24586662

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 131, 262, 393, 786, 1621, 2227, 3242, 4454, 4863, 6681, 9726, 13362, 27557, 55114, 82671, 165342, 212351, 424702, 637053, 1274106, 3609967, 7219934, 10829901, 21659802]

約数ペア:

[(1, 21659802), (2, 10829901), (3, 7219934), (6, 3609967), (17, 1274106), (34, 637053), (51, 424702), (102, 212351), (131, 165342), (262, 82671), (393, 55114), (786, 27557), (1621, 13362), (2227, 9726), (3242, 6681), (4454, 4863)]