21736744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{577}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 43384680

約数和(自身を除く): 21647936

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 277, 554, 577, 1108, 1154, 2216, 2308, 4616, 4709, 9418, 9809, 18836, 19618, 37672, 39236, 78472, 159829, 319658, 639316, 1278632, 2717093, 5434186, 10868372, 21736744]

約数ペア:

[(1, 21736744), (2, 10868372), (4, 5434186), (8, 2717093), (17, 1278632), (34, 639316), (68, 319658), (136, 159829), (277, 78472), (554, 39236), (577, 37672), (1108, 19618), (1154, 18836), (2216, 9809), (2308, 9418), (4616, 4709)]