21483965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3833}}^1$

素因数の和:3916

約数の個数: 16

約数和(自身を含む): 27604800

約数和(自身を除く): 6120835

約数列:

[1, 5, 19, 59, 95, 295, 1121, 3833, 5605, 19165, 72827, 226147, 364135, 1130735, 4296793, 21483965]

約数ペア:

[(1, 21483965), (5, 4296793), (19, 1130735), (59, 364135), (95, 226147), (295, 72827), (1121, 19165), (3833, 5605)]