2161836

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 5766880

約数和(自身を除く): 3605044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 541, 666, 999, 1082, 1332, 1623, 1998, 2164, 3246, 3996, 4869, 6492, 9738, 14607, 19476, 20017, 29214, 40034, 58428, 60051, 80068, 120102, 180153, 240204, 360306, 540459, 720612, 1080918, 2161836]

約数ペア:

[(1, 2161836), (2, 1080918), (3, 720612), (4, 540459), (6, 360306), (9, 240204), (12, 180153), (18, 120102), (27, 80068), (36, 60051), (37, 58428), (54, 40034), (74, 29214), (108, 20017), (111, 19476), (148, 14607), (222, 9738), (333, 6492), (444, 4869), (541, 3996), (666, 3246), (999, 2164), (1082, 1998), (1332, 1623)]