21961725

素因数分解:

$3^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 36447072

約数和(自身を除く): 14485347

約数列:

[1, 3, 5, 15, 25, 75, 443, 661, 1329, 1983, 2215, 3305, 6645, 9915, 11075, 16525, 33225, 49575, 292823, 878469, 1464115, 4392345, 7320575, 21961725]

約数ペア:

[(1, 21961725), (3, 7320575), (5, 4392345), (15, 1464115), (25, 878469), (75, 292823), (443, 49575), (661, 33225), (1329, 16525), (1983, 11075), (2215, 9915), (3305, 6645)]