21770086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 15646874

約数列:

[1, 2, 13, 19, 26, 38, 127, 247, 254, 347, 494, 694, 1651, 2413, 3302, 4511, 4826, 6593, 9022, 13186, 31369, 44069, 62738, 85709, 88138, 171418, 572897, 837311, 1145794, 1674622, 10885043, 21770086]

約数ペア:

[(1, 21770086), (2, 10885043), (13, 1674622), (19, 1145794), (26, 837311), (38, 572897), (127, 171418), (247, 88138), (254, 85709), (347, 62738), (494, 44069), (694, 31369), (1651, 13186), (2413, 9022), (3302, 6593), (4511, 4826)]