21787672711

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{4517}}^1\times {\mathrm{23761}}^1$

素因数の和:28314

約数の個数: 16

約数和(自身を含む): 25765611840

約数和(自身を除く): 3977939129

約数列:

[1, 7, 29, 203, 4517, 23761, 31619, 130993, 166327, 689069, 916951, 4823483, 107328437, 751299059, 3112524673, 21787672711]

約数ペア:

[(1, 21787672711), (7, 3112524673), (29, 751299059), (203, 107328437), (4517, 4823483), (23761, 916951), (31619, 689069), (130993, 166327)]