21278316

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{11743}}^1$

素因数の和:11901

約数の個数: 24

約数和(自身を含む): 49982464

約数和(自身を除く): 28704148

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 11743, 23486, 35229, 46972, 70458, 140916, 1773193, 3546386, 5319579, 7092772, 10639158, 21278316]

約数ペア:

[(1, 21278316), (2, 10639158), (3, 7092772), (4, 5319579), (6, 3546386), (12, 1773193), (151, 140916), (302, 70458), (453, 46972), (604, 35229), (906, 23486), (1812, 11743)]