21415823

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4886

約数の個数: 16

約数和(自身を含む): 25976832

約数和(自身を除く): 4561009

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4831, 53141, 62803, 149761, 690833, 1647371, 1946893, 21415823]

約数ペア:

[(1, 21415823), (11, 1946893), (13, 1647371), (31, 690833), (143, 149761), (341, 62803), (403, 53141), (4433, 4831)]