21893670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243263}}^1$

素因数の和:243276

約数の個数: 24

約数和(自身を含む): 56923776

約数和(自身を除く): 35030106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243263, 486526, 729789, 1216315, 1459578, 2189367, 2432630, 3648945, 4378734, 7297890, 10946835, 21893670]

約数ペア:

[(1, 21893670), (2, 10946835), (3, 7297890), (5, 4378734), (6, 3648945), (9, 2432630), (10, 2189367), (15, 1459578), (18, 1216315), (30, 729789), (45, 486526), (90, 243263)]