21825524

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3917}}^1$

素因数の和:4127

約数の個数: 24

約数和(自身を含む): 43881600

約数和(自身を除く): 22056076

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3917, 5572, 7834, 15668, 27419, 54838, 109676, 779483, 1558966, 3117932, 5456381, 10912762, 21825524]

約数ペア:

[(1, 21825524), (2, 10912762), (4, 5456381), (7, 3117932), (14, 1558966), (28, 779483), (199, 109676), (398, 54838), (796, 27419), (1393, 15668), (2786, 7834), (3917, 5572)]