21203266

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{8461}}^1$

素因数の和:8649

約数の個数: 16

約数和(自身を含む): 36555840

約数和(自身を除く): 15352574

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 8461, 16922, 59227, 118454, 1514519, 3029038, 10601633, 21203266]

約数ペア:

[(1, 21203266), (2, 10601633), (7, 3029038), (14, 1514519), (179, 118454), (358, 59227), (1253, 16922), (2506, 8461)]