21385572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137087}}^1$

素因数の和:137107

約数の個数: 24

約数和(自身を含む): 53738496

約数和(自身を除く): 32352924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137087, 274174, 411261, 548348, 822522, 1645044, 1782131, 3564262, 5346393, 7128524, 10692786, 21385572]

約数ペア:

[(1, 21385572), (2, 10692786), (3, 7128524), (4, 5346393), (6, 3564262), (12, 1782131), (13, 1645044), (26, 822522), (39, 548348), (52, 411261), (78, 274174), (156, 137087)]