21193008

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11933}}^1$

素因数の和:11981

約数の個数: 40

約数和(自身を含む): 56233008

約数和(自身を除く): 35040000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11933, 23866, 35799, 47732, 71598, 95464, 143196, 190928, 286392, 441521, 572784, 883042, 1324563, 1766084, 2649126, 3532168, 5298252, 7064336, 10596504, 21193008]

約数ペア:

[(1, 21193008), (2, 10596504), (3, 7064336), (4, 5298252), (6, 3532168), (8, 2649126), (12, 1766084), (16, 1324563), (24, 883042), (37, 572784), (48, 441521), (74, 286392), (111, 190928), (148, 143196), (222, 95464), (296, 71598), (444, 47732), (592, 35799), (888, 23866), (1776, 11933)]