21730095

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4513}}^1$

素因数の和:4631

約数の個数: 24

約数和(自身を含む): 38025936

約数和(自身を除く): 16295841

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4513, 4815, 13539, 22565, 40617, 67695, 203085, 482891, 1448673, 2414455, 4346019, 7243365, 21730095]

約数ペア:

[(1, 21730095), (3, 7243365), (5, 4346019), (9, 2414455), (15, 1448673), (45, 482891), (107, 203085), (321, 67695), (535, 40617), (963, 22565), (1605, 13539), (4513, 4815)]