21977481

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13901}}^1$

素因数の和:13952

約数の個数: 16

約数和(自身を含む): 32030208

約数和(自身を除く): 10052727

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13901, 41703, 236317, 430931, 708951, 1292793, 7325827, 21977481]

約数ペア:

[(1, 21977481), (3, 7325827), (17, 1292793), (31, 708951), (51, 430931), (93, 236317), (527, 41703), (1581, 13901)]