21319462

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11831}}^1$

素因数の和:11903

約数の個数: 16

約数和(自身を含む): 34502112

約数和(自身を除く): 13182650

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11831, 23662, 201127, 402254, 627043, 1254086, 10659731, 21319462]

約数ペア:

[(1, 21319462), (2, 10659731), (17, 1254086), (34, 627043), (53, 402254), (106, 201127), (901, 23662), (1802, 11831)]