21138532

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 38021760

約数和(自身を除く): 16883228

約数列:

[1, 2, 4, 47, 94, 188, 229, 458, 491, 916, 982, 1964, 10763, 21526, 23077, 43052, 46154, 92308, 112439, 224878, 449756, 5284633, 10569266, 21138532]

約数ペア:

[(1, 21138532), (2, 10569266), (4, 5284633), (47, 449756), (94, 224878), (188, 112439), (229, 92308), (458, 46154), (491, 43052), (916, 23077), (982, 21526), (1964, 10763)]