21813308913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9309991}}^1$

素因数の和:9310076

約数の個数: 16

約数和(自身を含む): 32175332352

約数和(自身を除く): 10362023439

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9309991, 27929973, 102409901, 307229703, 661009361, 1983028083, 7271102971, 21813308913]

約数ペア:

[(1, 21813308913), (3, 7271102971), (11, 1983028083), (33, 661009361), (71, 307229703), (213, 102409901), (781, 27929973), (2343, 9309991)]