21307094

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7681}}^1$

素因数の和:7775

約数の個数: 16

約数和(自身を含む): 34108080

約数和(自身を除く): 12800986

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7681, 15362, 145939, 291878, 560713, 1121426, 10653547, 21307094]

約数ペア:

[(1, 21307094), (2, 10653547), (19, 1121426), (38, 560713), (73, 291878), (146, 145939), (1387, 15362), (2774, 7681)]