20211429

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5039}}^1$

素因数の和:5240

約数の個数: 16

約数和(自身を含む): 30965760

約数和(自身を除く): 10754331

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5039, 15117, 35273, 105819, 962449, 2887347, 6737143, 20211429]

約数ペア:

[(1, 20211429), (3, 6737143), (7, 2887347), (21, 962449), (191, 105819), (573, 35273), (1337, 15117), (4011, 5039)]