21450364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3011}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 40734288

約数和(自身を除く): 19283924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3011, 3562, 6022, 7124, 12044, 39143, 78286, 156572, 412507, 825014, 1650028, 5362591, 10725182, 21450364]

約数ペア:

[(1, 21450364), (2, 10725182), (4, 5362591), (13, 1650028), (26, 825014), (52, 412507), (137, 156572), (274, 78286), (548, 39143), (1781, 12044), (3011, 7124), (3562, 6022)]