21652430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 41554944

約数和(自身を除く): 19902514

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2003, 2162, 4006, 5405, 10015, 10810, 20030, 46069, 92138, 94141, 188282, 230345, 460690, 470705, 941410, 2165243, 4330486, 10826215, 21652430]

約数ペア:

[(1, 21652430), (2, 10826215), (5, 4330486), (10, 2165243), (23, 941410), (46, 470705), (47, 460690), (94, 230345), (115, 188282), (230, 94141), (235, 92138), (470, 46069), (1081, 20030), (2003, 10810), (2162, 10015), (4006, 5405)]