21497932010

素因数分解:

$2^1\times 5^1\times {\mathrm{9349}}^1\times {\mathrm{229949}}^1$

素因数の和:239305

約数の個数: 16

約数和(自身を含む): 38700585000

約数和(自身を除く): 17202652990

約数列:

[1, 2, 5, 10, 9349, 18698, 46745, 93490, 229949, 459898, 1149745, 2299490, 2149793201, 4299586402, 10748966005, 21497932010]

約数ペア:

[(1, 21497932010), (2, 10748966005), (5, 4299586402), (10, 2149793201), (9349, 2299490), (18698, 1149745), (46745, 459898), (93490, 229949)]