21917997

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 33196800

約数和(自身を除く): 11278803

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 1063, 2291, 3189, 6873, 9567, 20619, 30827, 83977, 92481, 251931, 277443, 755793, 2435333, 7305999, 21917997]

約数ペア:

[(1, 21917997), (3, 7305999), (9, 2435333), (29, 755793), (79, 277443), (87, 251931), (237, 92481), (261, 83977), (711, 30827), (1063, 20619), (2291, 9567), (3189, 6873)]