21416115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3457}}^1$

素因数の和:3531

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 18420045

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 3457, 6195, 10371, 17285, 24199, 51855, 72597, 120995, 203963, 362985, 611889, 1019815, 1427741, 3059445, 4283223, 7138705, 21416115]

約数ペア:

[(1, 21416115), (3, 7138705), (5, 4283223), (7, 3059445), (15, 1427741), (21, 1019815), (35, 611889), (59, 362985), (105, 203963), (177, 120995), (295, 72597), (413, 51855), (885, 24199), (1239, 17285), (2065, 10371), (3457, 6195)]