21000978331

素因数分解:

${\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{887}}^1\times {\mathrm{3931}}^1$

素因数の和:5154

約数の個数: 16

約数和(自身を含む): 22206677760

約数和(自身を除く): 1205699429

約数列:

[1, 19, 317, 887, 3931, 6023, 16853, 74689, 281179, 1246127, 3486797, 5342401, 23676413, 66249143, 1105314649, 21000978331]

約数ペア:

[(1, 21000978331), (19, 1105314649), (317, 66249143), (887, 23676413), (3931, 5342401), (6023, 3486797), (16853, 1246127), (74689, 281179)]