21439650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3863}}^1$

素因数の和:3915

約数の個数: 48

約数和(自身を含む): 54621504

約数和(自身を除く): 33181854

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 555, 925, 1110, 1850, 2775, 3863, 5550, 7726, 11589, 19315, 23178, 38630, 57945, 96575, 115890, 142931, 193150, 285862, 289725, 428793, 579450, 714655, 857586, 1429310, 2143965, 3573275, 4287930, 7146550, 10719825, 21439650]

約数ペア:

[(1, 21439650), (2, 10719825), (3, 7146550), (5, 4287930), (6, 3573275), (10, 2143965), (15, 1429310), (25, 857586), (30, 714655), (37, 579450), (50, 428793), (74, 289725), (75, 285862), (111, 193150), (150, 142931), (185, 115890), (222, 96575), (370, 57945), (555, 38630), (925, 23178), (1110, 19315), (1850, 11589), (2775, 7726), (3863, 5550)]