21551117902

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{65167}}^1$

素因数の和:65356

約数の個数: 32

約数和(自身を含む): 34322682240

約数和(自身を除く): 12771564338

約数列:

[1, 2, 37, 41, 74, 82, 109, 218, 1517, 3034, 4033, 4469, 8066, 8938, 65167, 130334, 165353, 330706, 2411179, 2671847, 4822358, 5343694, 7103203, 14206406, 98858339, 197716678, 262818511, 291231323, 525637022, 582462646, 10775558951, 21551117902]

約数ペア:

[(1, 21551117902), (2, 10775558951), (37, 582462646), (41, 525637022), (74, 291231323), (82, 262818511), (109, 197716678), (218, 98858339), (1517, 14206406), (3034, 7103203), (4033, 5343694), (4469, 4822358), (8066, 2671847), (8938, 2411179), (65167, 330706), (130334, 165353)]