2021187990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1\times {\mathrm{1187}}^1$

素因数の和:1677

約数の個数: 64

約数和(自身を含む): 4896080640

約数和(自身を除く): 2874892650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 269, 422, 538, 633, 807, 1055, 1187, 1266, 1345, 1614, 2110, 2374, 2690, 3165, 3561, 4035, 5935, 6330, 7122, 8070, 11870, 17805, 35610, 56759, 113518, 170277, 250457, 283795, 319303, 340554, 500914, 567590, 638606, 751371, 851385, 957909, 1252285, 1502742, 1596515, 1702770, 1915818, 2504570, 3193030, 3756855, 4789545, 7513710, 9579090, 67372933, 134745866, 202118799, 336864665, 404237598, 673729330, 1010593995, 2021187990]

約数ペア:

[(1, 2021187990), (2, 1010593995), (3, 673729330), (5, 404237598), (6, 336864665), (10, 202118799), (15, 134745866), (30, 67372933), (211, 9579090), (269, 7513710), (422, 4789545), (538, 3756855), (633, 3193030), (807, 2504570), (1055, 1915818), (1187, 1702770), (1266, 1596515), (1345, 1502742), (1614, 1252285), (2110, 957909), (2374, 851385), (2690, 751371), (3165, 638606), (3561, 567590), (4035, 500914), (5935, 340554), (6330, 319303), (7122, 283795), (8070, 250457), (11870, 170277), (17805, 113518), (35610, 56759)]