21648508

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5189}}^1$

素因数の和:5349

約数の個数: 24

約数和(自身を含む): 43596000

約数和(自身を除く): 21947492

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5189, 10378, 20756, 36323, 72646, 145292, 773161, 1546322, 3092644, 5412127, 10824254, 21648508]

約数ペア:

[(1, 21648508), (2, 10824254), (4, 5412127), (7, 3092644), (14, 1546322), (28, 773161), (149, 145292), (298, 72646), (596, 36323), (1043, 20756), (2086, 10378), (4172, 5189)]