21232725

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2803}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 35464992

約数和(自身を除く): 14232267

約数列:

[1, 3, 5, 15, 25, 75, 101, 303, 505, 1515, 2525, 2803, 7575, 8409, 14015, 42045, 70075, 210225, 283103, 849309, 1415515, 4246545, 7077575, 21232725]

約数ペア:

[(1, 21232725), (3, 7077575), (5, 4246545), (15, 1415515), (25, 849309), (75, 283103), (101, 210225), (303, 70075), (505, 42045), (1515, 14015), (2525, 8409), (2803, 7575)]