21409976

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10333}}^1$

素因数の和:10383

約数の個数: 32

約数和(自身を含む): 47123040

約数和(自身を除く): 25713064

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10333, 20666, 41332, 72331, 82664, 144662, 289324, 382321, 578648, 764642, 1529284, 2676247, 3058568, 5352494, 10704988, 21409976]

約数ペア:

[(1, 21409976), (2, 10704988), (4, 5352494), (7, 3058568), (8, 2676247), (14, 1529284), (28, 764642), (37, 578648), (56, 382321), (74, 289324), (148, 144662), (259, 82664), (296, 72331), (518, 41332), (1036, 20666), (2072, 10333)]