21210117

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{3169}}^1$

素因数の和:3292

約数の個数: 16

約数和(自身を含む): 29823360

約数和(自身を除く): 8613243

約数列:

[1, 3, 23, 69, 97, 291, 2231, 3169, 6693, 9507, 72887, 218661, 307393, 922179, 7070039, 21210117]

約数ペア:

[(1, 21210117), (3, 7070039), (23, 922179), (69, 307393), (97, 218661), (291, 72887), (2231, 9507), (3169, 6693)]