21036456

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13913}}^1$

素因数の和:13935

約数の個数: 64

約数和(自身を含む): 66787200

約数和(自身を除く): 45750744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13913, 27826, 41739, 55652, 83478, 97391, 111304, 125217, 166956, 194782, 250434, 292173, 333912, 375651, 389564, 500868, 584346, 751302, 779128, 876519, 1001736, 1168692, 1502604, 1753038, 2337384, 2629557, 3005208, 3506076, 5259114, 7012152, 10518228, 21036456]

約数ペア:

[(1, 21036456), (2, 10518228), (3, 7012152), (4, 5259114), (6, 3506076), (7, 3005208), (8, 2629557), (9, 2337384), (12, 1753038), (14, 1502604), (18, 1168692), (21, 1001736), (24, 876519), (27, 779128), (28, 751302), (36, 584346), (42, 500868), (54, 389564), (56, 375651), (63, 333912), (72, 292173), (84, 250434), (108, 194782), (126, 166956), (168, 125217), (189, 111304), (216, 97391), (252, 83478), (378, 55652), (504, 41739), (756, 27826), (1512, 13913)]