21117773

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 22456896

約数和(自身を除く): 1339123

約数列:

[1, 43, 61, 83, 97, 2623, 3569, 4171, 5063, 5917, 8051, 217709, 254431, 346193, 491111, 21117773]

約数ペア:

[(1, 21117773), (43, 491111), (61, 346193), (83, 254431), (97, 217709), (2623, 8051), (3569, 5917), (4171, 5063)]