21560004

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{19319}}^1$

素因数の和:19360

約数の個数: 36

約数和(自身を含む): 56259840

約数和(自身を除く): 34699836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 19319, 38638, 57957, 77276, 115914, 173871, 231828, 347742, 598889, 695484, 1197778, 1796667, 2395556, 3593334, 5390001, 7186668, 10780002, 21560004]

約数ペア:

[(1, 21560004), (2, 10780002), (3, 7186668), (4, 5390001), (6, 3593334), (9, 2395556), (12, 1796667), (18, 1197778), (31, 695484), (36, 598889), (62, 347742), (93, 231828), (124, 173871), (186, 115914), (279, 77276), (372, 57957), (558, 38638), (1116, 19319)]