21155834

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16979}}^1$

素因数の和:17077

約数の個数: 16

約数和(自身を含む): 36676800

約数和(自身を除く): 15520966

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16979, 33958, 118853, 237706, 1511131, 3022262, 10577917, 21155834]

約数ペア:

[(1, 21155834), (2, 10577917), (7, 3022262), (14, 1511131), (89, 237706), (178, 118853), (623, 33958), (1246, 16979)]