21427142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5381}}^1$

素因数の和:5575

約数の個数: 16

約数和(自身を含む): 35262864

約数和(自身を除く): 13835722

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5381, 10762, 59191, 118382, 973961, 1947922, 10713571, 21427142]

約数ペア:

[(1, 21427142), (2, 10713571), (11, 1947922), (22, 973961), (181, 118382), (362, 59191), (1991, 10762), (3982, 5381)]