21990959914

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6863}}^1\times {\mathrm{20807}}^1$

素因数の和:27690

約数の個数: 32

約数和(自身を含む): 41133920256

約数和(自身を除く): 19142960342

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 6863, 13726, 20807, 41614, 48041, 75493, 96082, 145649, 150986, 228877, 291298, 457754, 528451, 1056902, 1602139, 3204278, 142798441, 285596882, 999589087, 1570782851, 1999178174, 3141565702, 10995479957, 21990959914]

約数ペア:

[(1, 21990959914), (2, 10995479957), (7, 3141565702), (11, 1999178174), (14, 1570782851), (22, 999589087), (77, 285596882), (154, 142798441), (6863, 3204278), (13726, 1602139), (20807, 1056902), (41614, 528451), (48041, 457754), (75493, 291298), (96082, 228877), (145649, 150986)]