21489747

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1\times {\mathrm{383}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 29306880

約数和(自身を除く): 7817133

約数列:

[1, 3, 59, 177, 317, 383, 951, 1149, 18703, 22597, 56109, 67791, 121411, 364233, 7163249, 21489747]

約数ペア:

[(1, 21489747), (3, 7163249), (59, 364233), (177, 121411), (317, 67791), (383, 56109), (951, 22597), (1149, 18703)]