21625250

素因数分解:

$2^1\times 5^3\times {\mathrm{86501}}^1$

素因数の和:86518

約数の個数: 16

約数和(自身を含む): 40482936

約数和(自身を除く): 18857686

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 86501, 173002, 432505, 865010, 2162525, 4325050, 10812625, 21625250]

約数ペア:

[(1, 21625250), (2, 10812625), (5, 4325050), (10, 2162525), (25, 865010), (50, 432505), (125, 173002), (250, 86501)]