21075992

素因数分解:

$2^3\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1009}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 45328800

約数和(自身を除く): 24252808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373, 746, 1009, 1492, 2018, 2611, 2984, 4036, 5222, 7063, 8072, 10444, 14126, 20888, 28252, 56504, 376357, 752714, 1505428, 2634499, 3010856, 5268998, 10537996, 21075992]

約数ペア:

[(1, 21075992), (2, 10537996), (4, 5268998), (7, 3010856), (8, 2634499), (14, 1505428), (28, 752714), (56, 376357), (373, 56504), (746, 28252), (1009, 20888), (1492, 14126), (2018, 10444), (2611, 8072), (2984, 7063), (4036, 5222)]