21802276

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 38820600

約数和(自身を除く): 17018324

約数列:

[1, 2, 4, 149, 157, 233, 298, 314, 466, 596, 628, 932, 23393, 34717, 36581, 46786, 69434, 73162, 93572, 138868, 146324, 5450569, 10901138, 21802276]

約数ペア:

[(1, 21802276), (2, 10901138), (4, 5450569), (149, 146324), (157, 138868), (233, 93572), (298, 73162), (314, 69434), (466, 46786), (596, 36581), (628, 34717), (932, 23393)]