21979796590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{38119}}^1$

素因数の和:38281

約数の個数: 48

約数和(自身を含む): 41739112800

約数和(自身を除く): 19759316210

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 529, 545, 1058, 1090, 2507, 2645, 5014, 5290, 12535, 25070, 38119, 57661, 76238, 115322, 190595, 288305, 381190, 576610, 876737, 1753474, 4154971, 4383685, 8309942, 8767370, 20164951, 20774855, 40329902, 41549710, 95564333, 100824755, 191128666, 201649510, 477821665, 955643330, 2197979659, 4395959318, 10989898295, 21979796590]

約数ペア:

[(1, 21979796590), (2, 10989898295), (5, 4395959318), (10, 2197979659), (23, 955643330), (46, 477821665), (109, 201649510), (115, 191128666), (218, 100824755), (230, 95564333), (529, 41549710), (545, 40329902), (1058, 20774855), (1090, 20164951), (2507, 8767370), (2645, 8309942), (5014, 4383685), (5290, 4154971), (12535, 1753474), (25070, 876737), (38119, 576610), (57661, 381190), (76238, 288305), (115322, 190595)]