21211198

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{1009}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 33305760

約数和(自身を除く): 12094562

約数列:

[1, 2, 23, 46, 457, 914, 1009, 2018, 10511, 21022, 23207, 46414, 461113, 922226, 10605599, 21211198]

約数ペア:

[(1, 21211198), (2, 10605599), (23, 922226), (46, 461113), (457, 46414), (914, 23207), (1009, 21022), (2018, 10511)]