21729236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9859}}^1$

素因数の和:9911

約数の個数: 24

約数和(自身を含む): 41412000

約数和(自身を除く): 19682764

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9859, 19718, 39436, 187321, 285911, 374642, 571822, 749284, 1143644, 5432309, 10864618, 21729236]

約数ペア:

[(1, 21729236), (2, 10864618), (4, 5432309), (19, 1143644), (29, 749284), (38, 571822), (58, 374642), (76, 285911), (116, 187321), (551, 39436), (1102, 19718), (2204, 9859)]