21600760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3313}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 48914640

約数和(自身を除く): 27313880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 3313, 6520, 6626, 13252, 16565, 26504, 33130, 66260, 132520, 540019, 1080038, 2160076, 2700095, 4320152, 5400190, 10800380, 21600760]

約数ペア:

[(1, 21600760), (2, 10800380), (4, 5400190), (5, 4320152), (8, 2700095), (10, 2160076), (20, 1080038), (40, 540019), (163, 132520), (326, 66260), (652, 33130), (815, 26504), (1304, 16565), (1630, 13252), (3260, 6626), (3313, 6520)]