21171252

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 52016832

約数和(自身を除く): 30845580

約数列:

[1, 2, 3, 4, 6, 12, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 444, 492, 1163, 1517, 2326, 3034, 3489, 4551, 4652, 6068, 6978, 9102, 13956, 18204, 43031, 47683, 86062, 95366, 129093, 143049, 172124, 190732, 258186, 286098, 516372, 572196, 1764271, 3528542, 5292813, 7057084, 10585626, 21171252]

約数ペア:

[(1, 21171252), (2, 10585626), (3, 7057084), (4, 5292813), (6, 3528542), (12, 1764271), (37, 572196), (41, 516372), (74, 286098), (82, 258186), (111, 190732), (123, 172124), (148, 143049), (164, 129093), (222, 95366), (246, 86062), (444, 47683), (492, 43031), (1163, 18204), (1517, 13956), (2326, 9102), (3034, 6978), (3489, 6068), (4551, 4652)]