21330360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 69909840

約数和(自身を除く): 48579480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 193, 307, 360, 386, 579, 614, 772, 921, 965, 1158, 1228, 1535, 1544, 1737, 1842, 1930, 2316, 2456, 2763, 2895, 3070, 3474, 3684, 3860, 4605, 4632, 5526, 5790, 6140, 6948, 7368, 7720, 8685, 9210, 11052, 11580, 12280, 13815, 13896, 17370, 18420, 22104, 23160, 27630, 34740, 36840, 55260, 59251, 69480, 110520, 118502, 177753, 237004, 296255, 355506, 474008, 533259, 592510, 711012, 888765, 1066518, 1185020, 1422024, 1777530, 2133036, 2370040, 2666295, 3555060, 4266072, 5332590, 7110120, 10665180, 21330360]

約数ペア:

[(1, 21330360), (2, 10665180), (3, 7110120), (4, 5332590), (5, 4266072), (6, 3555060), (8, 2666295), (9, 2370040), (10, 2133036), (12, 1777530), (15, 1422024), (18, 1185020), (20, 1066518), (24, 888765), (30, 711012), (36, 592510), (40, 533259), (45, 474008), (60, 355506), (72, 296255), (90, 237004), (120, 177753), (180, 118502), (193, 110520), (307, 69480), (360, 59251), (386, 55260), (579, 36840), (614, 34740), (772, 27630), (921, 23160), (965, 22104), (1158, 18420), (1228, 17370), (1535, 13896), (1544, 13815), (1737, 12280), (1842, 11580), (1930, 11052), (2316, 9210), (2456, 8685), (2763, 7720), (2895, 7368), (3070, 6948), (3474, 6140), (3684, 5790), (3860, 5526), (4605, 4632)]