21439887

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44389}}^1$

素因数の和:44422

約数の個数: 16

約数和(自身を含む): 34091520

約数和(自身を除く): 12651633

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44389, 133167, 310723, 932169, 1020947, 3062841, 7146629, 21439887]

約数ペア:

[(1, 21439887), (3, 7146629), (7, 3062841), (21, 1020947), (23, 932169), (69, 310723), (161, 133167), (483, 44389)]