21318276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253789}}^1$

素因数の和:253803

約数の個数: 24

約数和(自身を含む): 56848960

約数和(自身を除く): 35530684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253789, 507578, 761367, 1015156, 1522734, 1776523, 3045468, 3553046, 5329569, 7106092, 10659138, 21318276]

約数ペア:

[(1, 21318276), (2, 10659138), (3, 7106092), (4, 5329569), (6, 3553046), (7, 3045468), (12, 1776523), (14, 1522734), (21, 1015156), (28, 761367), (42, 507578), (84, 253789)]