21079016

素因数分解:

$2^3\times 7^2\times {\mathrm{53773}}^1$

素因数の和:53793

約数の個数: 24

約数和(自身を含む): 45976770

約数和(自身を除く): 24897754

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53773, 107546, 215092, 376411, 430184, 752822, 1505644, 2634877, 3011288, 5269754, 10539508, 21079016]

約数ペア:

[(1, 21079016), (2, 10539508), (4, 5269754), (7, 3011288), (8, 2634877), (14, 1505644), (28, 752822), (49, 430184), (56, 376411), (98, 215092), (196, 107546), (392, 53773)]