21188482

素因数分解:

$2^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 16510718

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 343, 461, 469, 686, 922, 938, 3227, 3283, 6454, 6566, 22589, 22981, 30887, 45178, 45962, 61774, 158123, 216209, 316246, 432418, 1513463, 3026926, 10594241, 21188482]

約数ペア:

[(1, 21188482), (2, 10594241), (7, 3026926), (14, 1513463), (49, 432418), (67, 316246), (98, 216209), (134, 158123), (343, 61774), (461, 45962), (469, 45178), (686, 30887), (922, 22981), (938, 22589), (3227, 6566), (3283, 6454)]