21928425

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3701}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 36723840

約数和(自身を除く): 14795415

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 3701, 5925, 11103, 18505, 55515, 92525, 277575, 292379, 877137, 1461895, 4385685, 7309475, 21928425]

約数ペア:

[(1, 21928425), (3, 7309475), (5, 4385685), (15, 1461895), (25, 877137), (75, 292379), (79, 277575), (237, 92525), (395, 55515), (1185, 18505), (1975, 11103), (3701, 5925)]