21030130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4663}}^1$

素因数の和:4722

約数の個数: 32

約数和(自身を含む): 42311808

約数和(自身を除く): 21281678

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4663, 9326, 23315, 46630, 51293, 102586, 191183, 256465, 382366, 512930, 955915, 1911830, 2103013, 4206026, 10515065, 21030130]

約数ペア:

[(1, 21030130), (2, 10515065), (5, 4206026), (10, 2103013), (11, 1911830), (22, 955915), (41, 512930), (55, 382366), (82, 256465), (110, 191183), (205, 102586), (410, 51293), (451, 46630), (902, 23315), (2255, 9326), (4510, 4663)]