21912138

素因数分解:

$2^1\times 3^2\times {\mathrm{617}}^1\times {\mathrm{1973}}^1$

素因数の和:2598

約数の個数: 24

約数和(自身を含む): 47577348

約数和(自身を除く): 25665210

約数列:

[1, 2, 3, 6, 9, 18, 617, 1234, 1851, 1973, 3702, 3946, 5553, 5919, 11106, 11838, 17757, 35514, 1217341, 2434682, 3652023, 7304046, 10956069, 21912138]

約数ペア:

[(1, 21912138), (2, 10956069), (3, 7304046), (6, 3652023), (9, 2434682), (18, 1217341), (617, 35514), (1234, 17757), (1851, 11838), (1973, 11106), (3702, 5919), (3946, 5553)]