21685524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258161}}^1$

素因数の和:258175

約数の個数: 24

約数和(自身を含む): 57828288

約数和(自身を除く): 36142764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258161, 516322, 774483, 1032644, 1548966, 1807127, 3097932, 3614254, 5421381, 7228508, 10842762, 21685524]

約数ペア:

[(1, 21685524), (2, 10842762), (3, 7228508), (4, 5421381), (6, 3614254), (7, 3097932), (12, 1807127), (14, 1548966), (21, 1032644), (28, 774483), (42, 516322), (84, 258161)]