21026072

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29531}}^1$

素因数の和:29626

約数の個数: 16

約数和(自身を含む): 39868200

約数和(自身を除く): 18842128

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29531, 59062, 118124, 236248, 2628259, 5256518, 10513036, 21026072]

約数ペア:

[(1, 21026072), (2, 10513036), (4, 5256518), (8, 2628259), (89, 236248), (178, 118124), (356, 59062), (712, 29531)]