21143535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3413}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 39329280

約数和(自身を除く): 18185745

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 3413, 6195, 10239, 17065, 23891, 51195, 71673, 119455, 201367, 358365, 604101, 1006835, 1409569, 3020505, 4228707, 7047845, 21143535]

約数ペア:

[(1, 21143535), (3, 7047845), (5, 4228707), (7, 3020505), (15, 1409569), (21, 1006835), (35, 604101), (59, 358365), (105, 201367), (177, 119455), (295, 71673), (413, 51195), (885, 23891), (1239, 17065), (2065, 10239), (3413, 6195)]