21062756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 45214848

約数和(自身を除く): 24152092

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1601, 3202, 3289, 6404, 6578, 13156, 17611, 20813, 35222, 36823, 41626, 70444, 73646, 83252, 147292, 228943, 405053, 457886, 478699, 810106, 915772, 957398, 1620212, 1914796, 5265689, 10531378, 21062756]

約数ペア:

[(1, 21062756), (2, 10531378), (4, 5265689), (11, 1914796), (13, 1620212), (22, 957398), (23, 915772), (26, 810106), (44, 478699), (46, 457886), (52, 405053), (92, 228943), (143, 147292), (253, 83252), (286, 73646), (299, 70444), (506, 41626), (572, 36823), (598, 35222), (1012, 20813), (1196, 17611), (1601, 13156), (3202, 6578), (3289, 6404)]