21178010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3119}}^1$

素因数の和:3230

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 22851430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3119, 3395, 6238, 6790, 15595, 21833, 31190, 43666, 109165, 218330, 302543, 605086, 1512715, 2117801, 3025430, 4235602, 10589005, 21178010]

約数ペア:

[(1, 21178010), (2, 10589005), (5, 4235602), (7, 3025430), (10, 2117801), (14, 1512715), (35, 605086), (70, 302543), (97, 218330), (194, 109165), (485, 43666), (679, 31190), (970, 21833), (1358, 15595), (3119, 6790), (3395, 6238)]