21786060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15787}}^1$

素因数の和:15822

約数の個数: 48

約数和(自身を含む): 63657216

約数和(自身を除く): 41871156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15787, 31574, 47361, 63148, 78935, 94722, 157870, 189444, 236805, 315740, 363101, 473610, 726202, 947220, 1089303, 1452404, 1815505, 2178606, 3631010, 4357212, 5446515, 7262020, 10893030, 21786060]

約数ペア:

[(1, 21786060), (2, 10893030), (3, 7262020), (4, 5446515), (5, 4357212), (6, 3631010), (10, 2178606), (12, 1815505), (15, 1452404), (20, 1089303), (23, 947220), (30, 726202), (46, 473610), (60, 363101), (69, 315740), (92, 236805), (115, 189444), (138, 157870), (230, 94722), (276, 78935), (345, 63148), (460, 47361), (690, 31574), (1380, 15787)]