21892005

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9539}}^1$

素因数の和:9570

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 19320795

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9539, 28617, 47695, 85851, 143085, 162163, 257553, 429255, 486489, 810815, 1287765, 1459467, 2432445, 4378401, 7297335, 21892005]

約数ペア:

[(1, 21892005), (3, 7297335), (5, 4378401), (9, 2432445), (15, 1459467), (17, 1287765), (27, 810815), (45, 486489), (51, 429255), (85, 257553), (135, 162163), (153, 143085), (255, 85851), (459, 47695), (765, 28617), (2295, 9539)]