21913935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4567

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 17173425

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4523, 4845, 13569, 22615, 67845, 76891, 85937, 230673, 257811, 384455, 429685, 1153365, 1289055, 1460929, 4382787, 7304645, 21913935]

約数ペア:

[(1, 21913935), (3, 7304645), (5, 4382787), (15, 1460929), (17, 1289055), (19, 1153365), (51, 429685), (57, 384455), (85, 257811), (95, 230673), (255, 85937), (285, 76891), (323, 67845), (969, 22615), (1615, 13569), (4523, 4845)]