21821462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 37470720

約数和(自身を除く): 15649258

約数列:

[1, 2, 13, 19, 26, 38, 163, 247, 271, 326, 494, 542, 2119, 3097, 3523, 4238, 5149, 6194, 7046, 10298, 40261, 44173, 66937, 80522, 88346, 133874, 574249, 839287, 1148498, 1678574, 10910731, 21821462]

約数ペア:

[(1, 21821462), (2, 10910731), (13, 1678574), (19, 1148498), (26, 839287), (38, 574249), (163, 133874), (247, 88346), (271, 80522), (326, 66937), (494, 44173), (542, 40261), (2119, 10298), (3097, 7046), (3523, 6194), (4238, 5149)]