21398076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84913}}^1$

素因数の和:84930

約数の個数: 36

約数和(自身を含む): 61817392

約数和(自身を除く): 40419316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84913, 169826, 254739, 339652, 509478, 594391, 764217, 1018956, 1188782, 1528434, 1783173, 2377564, 3056868, 3566346, 5349519, 7132692, 10699038, 21398076]

約数ペア:

[(1, 21398076), (2, 10699038), (3, 7132692), (4, 5349519), (6, 3566346), (7, 3056868), (9, 2377564), (12, 1783173), (14, 1528434), (18, 1188782), (21, 1018956), (28, 764217), (36, 594391), (42, 509478), (63, 339652), (84, 254739), (126, 169826), (252, 84913)]