21142656

素因数分解:

$2^7\times 3^2\times {\mathrm{18353}}^1$

素因数の和:18373

約数の個数: 48

約数和(自身を含む): 60843510

約数和(自身を除く): 39700854

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 18353, 36706, 55059, 73412, 110118, 146824, 165177, 220236, 293648, 330354, 440472, 587296, 660708, 880944, 1174592, 1321416, 1761888, 2349184, 2642832, 3523776, 5285664, 7047552, 10571328, 21142656]

約数ペア:

[(1, 21142656), (2, 10571328), (3, 7047552), (4, 5285664), (6, 3523776), (8, 2642832), (9, 2349184), (12, 1761888), (16, 1321416), (18, 1174592), (24, 880944), (32, 660708), (36, 587296), (48, 440472), (64, 330354), (72, 293648), (96, 220236), (128, 165177), (144, 146824), (192, 110118), (288, 73412), (384, 55059), (576, 36706), (1152, 18353)]