21265496

素因数分解:

$2^3\times 7^1\times {\mathrm{433}}^1\times {\mathrm{877}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 45726240

約数和(自身を除く): 24460744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 433, 866, 877, 1732, 1754, 3031, 3464, 3508, 6062, 6139, 7016, 12124, 12278, 24248, 24556, 49112, 379741, 759482, 1518964, 2658187, 3037928, 5316374, 10632748, 21265496]

約数ペア:

[(1, 21265496), (2, 10632748), (4, 5316374), (7, 3037928), (8, 2658187), (14, 1518964), (28, 759482), (56, 379741), (433, 49112), (866, 24556), (877, 24248), (1732, 12278), (1754, 12124), (3031, 7016), (3464, 6139), (3508, 6062)]