21169620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 66528000

約数和(自身を除く): 45358380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 197, 199, 270, 394, 398, 540, 591, 597, 788, 796, 985, 995, 1182, 1194, 1773, 1791, 1970, 1990, 2364, 2388, 2955, 2985, 3546, 3582, 3940, 3980, 5319, 5373, 5910, 5970, 7092, 7164, 8865, 8955, 10638, 10746, 11820, 11940, 17730, 17910, 21276, 21492, 26595, 26865, 35460, 35820, 39203, 53190, 53730, 78406, 106380, 107460, 117609, 156812, 196015, 235218, 352827, 392030, 470436, 588045, 705654, 784060, 1058481, 1176090, 1411308, 1764135, 2116962, 2352180, 3528270, 4233924, 5292405, 7056540, 10584810, 21169620]

約数ペア:

[(1, 21169620), (2, 10584810), (3, 7056540), (4, 5292405), (5, 4233924), (6, 3528270), (9, 2352180), (10, 2116962), (12, 1764135), (15, 1411308), (18, 1176090), (20, 1058481), (27, 784060), (30, 705654), (36, 588045), (45, 470436), (54, 392030), (60, 352827), (90, 235218), (108, 196015), (135, 156812), (180, 117609), (197, 107460), (199, 106380), (270, 78406), (394, 53730), (398, 53190), (540, 39203), (591, 35820), (597, 35460), (788, 26865), (796, 26595), (985, 21492), (995, 21276), (1182, 17910), (1194, 17730), (1773, 11940), (1791, 11820), (1970, 10746), (1990, 10638), (2364, 8955), (2388, 8865), (2955, 7164), (2985, 7092), (3546, 5970), (3582, 5910), (3940, 5373), (3980, 5319)]