2121693

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1504

約数の個数: 16

約数和(自身を含む): 3280896

約数和(自身を除く): 1159203

約数列:

[1, 3, 7, 21, 71, 213, 497, 1423, 1491, 4269, 9961, 29883, 101033, 303099, 707231, 2121693]

約数ペア:

[(1, 2121693), (3, 707231), (7, 303099), (21, 101033), (71, 29883), (213, 9961), (497, 4269), (1423, 1491)]