21339500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 59256288

約数和(自身を除く): 37916788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 67, 70, 91, 98, 100, 125, 130, 134, 140, 175, 182, 196, 245, 250, 260, 268, 325, 335, 350, 364, 455, 469, 490, 500, 637, 650, 670, 700, 871, 875, 910, 938, 980, 1225, 1274, 1300, 1340, 1625, 1675, 1742, 1750, 1820, 1876, 2275, 2345, 2450, 2548, 3185, 3250, 3283, 3350, 3484, 3500, 4355, 4550, 4690, 4900, 6097, 6125, 6370, 6500, 6566, 6700, 8375, 8710, 9100, 9380, 11375, 11725, 12194, 12250, 12740, 13132, 15925, 16415, 16750, 17420, 21775, 22750, 23450, 24388, 24500, 30485, 31850, 32830, 33500, 42679, 43550, 45500, 46900, 58625, 60970, 63700, 65660, 79625, 82075, 85358, 87100, 108875, 117250, 121940, 152425, 159250, 164150, 170716, 213395, 217750, 234500, 304850, 318500, 328300, 410375, 426790, 435500, 609700, 762125, 820750, 853580, 1066975, 1524250, 1641500, 2133950, 3048500, 4267900, 5334875, 10669750, 21339500]

約数ペア:

[(1, 21339500), (2, 10669750), (4, 5334875), (5, 4267900), (7, 3048500), (10, 2133950), (13, 1641500), (14, 1524250), (20, 1066975), (25, 853580), (26, 820750), (28, 762125), (35, 609700), (49, 435500), (50, 426790), (52, 410375), (65, 328300), (67, 318500), (70, 304850), (91, 234500), (98, 217750), (100, 213395), (125, 170716), (130, 164150), (134, 159250), (140, 152425), (175, 121940), (182, 117250), (196, 108875), (245, 87100), (250, 85358), (260, 82075), (268, 79625), (325, 65660), (335, 63700), (350, 60970), (364, 58625), (455, 46900), (469, 45500), (490, 43550), (500, 42679), (637, 33500), (650, 32830), (670, 31850), (700, 30485), (871, 24500), (875, 24388), (910, 23450), (938, 22750), (980, 21775), (1225, 17420), (1274, 16750), (1300, 16415), (1340, 15925), (1625, 13132), (1675, 12740), (1742, 12250), (1750, 12194), (1820, 11725), (1876, 11375), (2275, 9380), (2345, 9100), (2450, 8710), (2548, 8375), (3185, 6700), (3250, 6566), (3283, 6500), (3350, 6370), (3484, 6125), (3500, 6097), (4355, 4900), (4550, 4690)]