21427448

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12343}}^1$

素因数の和:12387

約数の個数: 32

約数和(自身を含む): 47400960

約数和(自身を除く): 25973512

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12343, 24686, 49372, 86401, 98744, 172802, 345604, 382633, 691208, 765266, 1530532, 2678431, 3061064, 5356862, 10713724, 21427448]

約数ペア:

[(1, 21427448), (2, 10713724), (4, 5356862), (7, 3061064), (8, 2678431), (14, 1530532), (28, 765266), (31, 691208), (56, 382633), (62, 345604), (124, 172802), (217, 98744), (248, 86401), (434, 49372), (868, 24686), (1736, 12343)]