21508398

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6907}}^1$

素因数の和:7088

約数の個数: 24

約数和(自身を含む): 46877688

約数和(自身を除く): 25369290

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6907, 13814, 20721, 41442, 62163, 124326, 1194911, 2389822, 3584733, 7169466, 10754199, 21508398]

約数ペア:

[(1, 21508398), (2, 10754199), (3, 7169466), (6, 3584733), (9, 2389822), (18, 1194911), (173, 124326), (346, 62163), (519, 41442), (1038, 20721), (1557, 13814), (3114, 6907)]