21819180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 64802304

約数和(自身を除く): 42983124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 97, 115, 138, 163, 194, 230, 276, 291, 326, 345, 388, 460, 485, 489, 582, 652, 690, 815, 970, 978, 1164, 1380, 1455, 1630, 1940, 1956, 2231, 2445, 2910, 3260, 3749, 4462, 4890, 5820, 6693, 7498, 8924, 9780, 11155, 11247, 13386, 14996, 15811, 18745, 22310, 22494, 26772, 31622, 33465, 37490, 44620, 44988, 47433, 56235, 63244, 66930, 74980, 79055, 94866, 112470, 133860, 158110, 189732, 224940, 237165, 316220, 363653, 474330, 727306, 948660, 1090959, 1454612, 1818265, 2181918, 3636530, 4363836, 5454795, 7273060, 10909590, 21819180]

約数ペア:

[(1, 21819180), (2, 10909590), (3, 7273060), (4, 5454795), (5, 4363836), (6, 3636530), (10, 2181918), (12, 1818265), (15, 1454612), (20, 1090959), (23, 948660), (30, 727306), (46, 474330), (60, 363653), (69, 316220), (92, 237165), (97, 224940), (115, 189732), (138, 158110), (163, 133860), (194, 112470), (230, 94866), (276, 79055), (291, 74980), (326, 66930), (345, 63244), (388, 56235), (460, 47433), (485, 44988), (489, 44620), (582, 37490), (652, 33465), (690, 31622), (815, 26772), (970, 22494), (978, 22310), (1164, 18745), (1380, 15811), (1455, 14996), (1630, 13386), (1940, 11247), (1956, 11155), (2231, 9780), (2445, 8924), (2910, 7498), (3260, 6693), (3749, 5820), (4462, 4890)]