21202797940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1\times {\mathrm{881}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 47027506176

約数和(自身を除く): 25824708236

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 113, 115, 226, 230, 452, 460, 463, 565, 881, 926, 1130, 1762, 1852, 2260, 2315, 2599, 3524, 4405, 4630, 5198, 8810, 9260, 10396, 10649, 12995, 17620, 20263, 21298, 25990, 40526, 42596, 51980, 52319, 53245, 81052, 99553, 101315, 104638, 106490, 199106, 202630, 209276, 212980, 261595, 398212, 405260, 407903, 497765, 523190, 815806, 995530, 1046380, 1203337, 1631612, 1991060, 2039515, 2289719, 2406674, 4079030, 4579438, 4813348, 6016685, 8158060, 9158876, 9381769, 11448595, 12033370, 18763538, 22897190, 24066740, 37527076, 45794380, 46093039, 46908845, 92186078, 93817690, 184372156, 187635380, 230465195, 460930390, 921860780, 1060139897, 2120279794, 4240559588, 5300699485, 10601398970, 21202797940]

約数ペア:

[(1, 21202797940), (2, 10601398970), (4, 5300699485), (5, 4240559588), (10, 2120279794), (20, 1060139897), (23, 921860780), (46, 460930390), (92, 230465195), (113, 187635380), (115, 184372156), (226, 93817690), (230, 92186078), (452, 46908845), (460, 46093039), (463, 45794380), (565, 37527076), (881, 24066740), (926, 22897190), (1130, 18763538), (1762, 12033370), (1852, 11448595), (2260, 9381769), (2315, 9158876), (2599, 8158060), (3524, 6016685), (4405, 4813348), (4630, 4579438), (5198, 4079030), (8810, 2406674), (9260, 2289719), (10396, 2039515), (10649, 1991060), (12995, 1631612), (17620, 1203337), (20263, 1046380), (21298, 995530), (25990, 815806), (40526, 523190), (42596, 497765), (51980, 407903), (52319, 405260), (53245, 398212), (81052, 261595), (99553, 212980), (101315, 209276), (104638, 202630), (106490, 199106)]