21708406

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:999

約数の個数: 16

約数和(自身を含む): 33163200

約数和(自身を除く): 11454794

約数列:

[1, 2, 97, 149, 194, 298, 751, 1502, 14453, 28906, 72847, 111899, 145694, 223798, 10854203, 21708406]

約数ペア:

[(1, 21708406), (2, 10854203), (97, 223798), (149, 145694), (194, 111899), (298, 72847), (751, 28906), (1502, 14453)]