21377028

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 52811136

約数和(自身を除く): 31434108

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 138, 146, 219, 276, 292, 438, 876, 1061, 1679, 2122, 3183, 3358, 4244, 5037, 6366, 6716, 10074, 12732, 20148, 24403, 48806, 73209, 77453, 97612, 146418, 154906, 232359, 292836, 309812, 464718, 929436, 1781419, 3562838, 5344257, 7125676, 10688514, 21377028]

約数ペア:

[(1, 21377028), (2, 10688514), (3, 7125676), (4, 5344257), (6, 3562838), (12, 1781419), (23, 929436), (46, 464718), (69, 309812), (73, 292836), (92, 232359), (138, 154906), (146, 146418), (219, 97612), (276, 77453), (292, 73209), (438, 48806), (876, 24403), (1061, 20148), (1679, 12732), (2122, 10074), (3183, 6716), (3358, 6366), (4244, 5037)]