21026715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1033}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 14708325

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1033, 1357, 3099, 4071, 5165, 6785, 15495, 20355, 23759, 60947, 71277, 118795, 182841, 304735, 356385, 914205, 1401781, 4205343, 7008905, 21026715]

約数ペア:

[(1, 21026715), (3, 7008905), (5, 4205343), (15, 1401781), (23, 914205), (59, 356385), (69, 304735), (115, 182841), (177, 118795), (295, 71277), (345, 60947), (885, 23759), (1033, 20355), (1357, 15495), (3099, 6785), (4071, 5165)]