21915691342

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1\times {\mathrm{209227}}^1$

素因数の和:209943

約数の個数: 16

約数和(自身を含む): 33322488192

約数和(自身を除く): 11406796850

約数列:

[1, 2, 83, 166, 631, 1262, 52373, 104746, 209227, 418454, 17365841, 34731682, 132022237, 264044474, 10957845671, 21915691342]

約数ペア:

[(1, 21915691342), (2, 10957845671), (83, 264044474), (166, 132022237), (631, 34731682), (1262, 17365841), (52373, 418454), (104746, 209227)]