21496490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93463}}^1$

素因数の和:93493

約数の個数: 16

約数和(自身を含む): 40376448

約数和(自身を除く): 18879958

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93463, 186926, 467315, 934630, 2149649, 4299298, 10748245, 21496490]

約数ペア:

[(1, 21496490), (2, 10748245), (5, 4299298), (10, 2149649), (23, 934630), (46, 467315), (115, 186926), (230, 93463)]