21000815460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1254529}}^1$

素因数の和:1254578

約数の個数: 96

約数和(自身を含む): 67443532800

約数和(自身を除く): 46442717340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 16740, 1254529, 2509058, 3763587, 5018116, 6272645, 7527174, 11290761, 12545290, 15054348, 18817935, 22581522, 25090580, 33872283, 37635870, 38890399, 45163044, 56453805, 67744566, 75271740, 77780798, 112907610, 116671197, 135489132, 155561596, 169361415, 194451995, 225815220, 233342394, 338722830, 350013591, 388903990, 466684788, 583355985, 677445660, 700027182, 777807980, 1050040773, 1166711970, 1400054364, 1750067955, 2100081546, 2333423940, 3500135910, 4200163092, 5250203865, 7000271820, 10500407730, 21000815460]

約数ペア:

[(1, 21000815460), (2, 10500407730), (3, 7000271820), (4, 5250203865), (5, 4200163092), (6, 3500135910), (9, 2333423940), (10, 2100081546), (12, 1750067955), (15, 1400054364), (18, 1166711970), (20, 1050040773), (27, 777807980), (30, 700027182), (31, 677445660), (36, 583355985), (45, 466684788), (54, 388903990), (60, 350013591), (62, 338722830), (90, 233342394), (93, 225815220), (108, 194451995), (124, 169361415), (135, 155561596), (155, 135489132), (180, 116671197), (186, 112907610), (270, 77780798), (279, 75271740), (310, 67744566), (372, 56453805), (465, 45163044), (540, 38890399), (558, 37635870), (620, 33872283), (837, 25090580), (930, 22581522), (1116, 18817935), (1395, 15054348), (1674, 12545290), (1860, 11290761), (2790, 7527174), (3348, 6272645), (4185, 5018116), (5580, 3763587), (8370, 2509058), (16740, 1254529)]