21522992

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28621}}^1$

素因数の和:28676

約数の個数: 20

約数和(自身を含む): 42589536

約数和(自身を除く): 21066544

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28621, 57242, 114484, 228968, 457936, 1345187, 2690374, 5380748, 10761496, 21522992]

約数ペア:

[(1, 21522992), (2, 10761496), (4, 5380748), (8, 2690374), (16, 1345187), (47, 457936), (94, 228968), (188, 114484), (376, 57242), (752, 28621)]