21470112

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:730

約数の個数: 72

約数和(自身を含む): 61641216

約数和(自身を除く): 40171104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 508, 587, 762, 1016, 1143, 1174, 1524, 1761, 2032, 2286, 2348, 3048, 3522, 4064, 4572, 4696, 5283, 6096, 7044, 9144, 9392, 10566, 12192, 14088, 18288, 18784, 21132, 28176, 36576, 42264, 56352, 74549, 84528, 149098, 169056, 223647, 298196, 447294, 596392, 670941, 894588, 1192784, 1341882, 1789176, 2385568, 2683764, 3578352, 5367528, 7156704, 10735056, 21470112]

約数ペア:

[(1, 21470112), (2, 10735056), (3, 7156704), (4, 5367528), (6, 3578352), (8, 2683764), (9, 2385568), (12, 1789176), (16, 1341882), (18, 1192784), (24, 894588), (32, 670941), (36, 596392), (48, 447294), (72, 298196), (96, 223647), (127, 169056), (144, 149098), (254, 84528), (288, 74549), (381, 56352), (508, 42264), (587, 36576), (762, 28176), (1016, 21132), (1143, 18784), (1174, 18288), (1524, 14088), (1761, 12192), (2032, 10566), (2286, 9392), (2348, 9144), (3048, 7044), (3522, 6096), (4064, 5283), (4572, 4696)]