21102796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 22926644

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 286, 316, 467, 572, 869, 934, 1027, 1738, 1868, 2054, 3476, 4108, 5137, 6071, 10274, 11297, 12142, 20548, 22594, 24284, 36893, 45188, 66781, 73786, 133562, 147572, 267124, 405823, 479609, 811646, 959218, 1623292, 1918436, 5275699, 10551398, 21102796]

約数ペア:

[(1, 21102796), (2, 10551398), (4, 5275699), (11, 1918436), (13, 1623292), (22, 959218), (26, 811646), (44, 479609), (52, 405823), (79, 267124), (143, 147572), (158, 133562), (286, 73786), (316, 66781), (467, 45188), (572, 36893), (869, 24284), (934, 22594), (1027, 20548), (1738, 12142), (1868, 11297), (2054, 10274), (3476, 6071), (4108, 5137)]