21484438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2347}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 33811200

約数和(自身を除く): 12326762

約数列:

[1, 2, 23, 46, 199, 398, 2347, 4577, 4694, 9154, 53981, 107962, 467053, 934106, 10742219, 21484438]

約数ペア:

[(1, 21484438), (2, 10742219), (23, 934106), (46, 467053), (199, 107962), (398, 53981), (2347, 9154), (4577, 4694)]