21524230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 29037050

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 49, 62, 65, 70, 91, 98, 109, 130, 155, 182, 217, 218, 245, 310, 403, 434, 455, 490, 545, 637, 763, 806, 910, 1085, 1090, 1274, 1417, 1519, 1526, 2015, 2170, 2821, 2834, 3038, 3185, 3379, 3815, 4030, 5341, 5642, 6370, 6758, 7085, 7595, 7630, 9919, 10682, 14105, 14170, 15190, 16895, 19747, 19838, 23653, 26705, 28210, 33790, 39494, 43927, 47306, 49595, 53410, 69433, 87854, 98735, 99190, 118265, 138866, 165571, 197470, 219635, 236530, 307489, 331142, 347165, 439270, 614978, 694330, 827855, 1537445, 1655710, 2152423, 3074890, 4304846, 10762115, 21524230]

約数ペア:

[(1, 21524230), (2, 10762115), (5, 4304846), (7, 3074890), (10, 2152423), (13, 1655710), (14, 1537445), (26, 827855), (31, 694330), (35, 614978), (49, 439270), (62, 347165), (65, 331142), (70, 307489), (91, 236530), (98, 219635), (109, 197470), (130, 165571), (155, 138866), (182, 118265), (217, 99190), (218, 98735), (245, 87854), (310, 69433), (403, 53410), (434, 49595), (455, 47306), (490, 43927), (545, 39494), (637, 33790), (763, 28210), (806, 26705), (910, 23653), (1085, 19838), (1090, 19747), (1274, 16895), (1417, 15190), (1519, 14170), (1526, 14105), (2015, 10682), (2170, 9919), (2821, 7630), (2834, 7595), (3038, 7085), (3185, 6758), (3379, 6370), (3815, 5642), (4030, 5341)]