21724276

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14639}}^1$

素因数の和:14703

約数の個数: 24

約数和(自身を含む): 44271360

約数和(自身を除く): 22547084

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14639, 29278, 58556, 102473, 204946, 409892, 775867, 1551734, 3103468, 5431069, 10862138, 21724276]

約数ペア:

[(1, 21724276), (2, 10862138), (4, 5431069), (7, 3103468), (14, 1551734), (28, 775867), (53, 409892), (106, 204946), (212, 102473), (371, 58556), (742, 29278), (1484, 14639)]