21904972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{733}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 39788672

約数和(自身を除く): 17883700

約数列:

[1, 2, 4, 31, 62, 124, 241, 482, 733, 964, 1466, 2932, 7471, 14942, 22723, 29884, 45446, 90892, 176653, 353306, 706612, 5476243, 10952486, 21904972]

約数ペア:

[(1, 21904972), (2, 10952486), (4, 5476243), (31, 706612), (62, 353306), (124, 176653), (241, 90892), (482, 45446), (733, 29884), (964, 22723), (1466, 14942), (2932, 7471)]