21009834

素因数分解:

$2^1\times 3^3\times {\mathrm{229}}^1\times {\mathrm{1699}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 46920000

約数和(自身を除く): 25910166

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 229, 458, 687, 1374, 1699, 2061, 3398, 4122, 5097, 6183, 10194, 12366, 15291, 30582, 45873, 91746, 389071, 778142, 1167213, 2334426, 3501639, 7003278, 10504917, 21009834]

約数ペア:

[(1, 21009834), (2, 10504917), (3, 7003278), (6, 3501639), (9, 2334426), (18, 1167213), (27, 778142), (54, 389071), (229, 91746), (458, 45873), (687, 30582), (1374, 15291), (1699, 12366), (2061, 10194), (3398, 6183), (4122, 5097)]