21081234

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 43211520

約数和(自身を除く): 22130286

約数列:

[1, 2, 3, 6, 61, 122, 183, 239, 241, 366, 478, 482, 717, 723, 1434, 1446, 14579, 14701, 29158, 29402, 43737, 44103, 57599, 87474, 88206, 115198, 172797, 345594, 3513539, 7027078, 10540617, 21081234]

約数ペア:

[(1, 21081234), (2, 10540617), (3, 7027078), (6, 3513539), (61, 345594), (122, 172797), (183, 115198), (239, 88206), (241, 87474), (366, 57599), (478, 44103), (482, 43737), (717, 29402), (723, 29158), (1434, 14701), (1446, 14579)]