21944875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 8381525

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 391, 425, 449, 575, 1955, 2125, 2245, 2875, 7633, 9775, 10327, 11225, 38165, 48875, 51635, 56125, 175559, 190825, 258175, 877795, 954125, 1290875, 4388975, 21944875]

約数ペア:

[(1, 21944875), (5, 4388975), (17, 1290875), (23, 954125), (25, 877795), (85, 258175), (115, 190825), (125, 175559), (391, 56125), (425, 51635), (449, 48875), (575, 38165), (1955, 11225), (2125, 10327), (2245, 9775), (2875, 7633)]