21536011

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 25537536

約数和(自身を除く): 4001525

約数列:

[1, 7, 47, 67, 329, 469, 977, 3149, 6839, 22043, 45919, 65459, 321433, 458213, 3076573, 21536011]

約数ペア:

[(1, 21536011), (7, 3076573), (47, 458213), (67, 321433), (329, 65459), (469, 45919), (977, 22043), (3149, 6839)]