21848535

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 39755760

約数和(自身を除く): 17907225

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 739, 1095, 1971, 2217, 3285, 3695, 5913, 6651, 9855, 11085, 19953, 29565, 33255, 53947, 59859, 99765, 161841, 269735, 299295, 485523, 809205, 1456569, 2427615, 4369707, 7282845, 21848535]

約数ペア:

[(1, 21848535), (3, 7282845), (5, 4369707), (9, 2427615), (15, 1456569), (27, 809205), (45, 485523), (73, 299295), (81, 269735), (135, 161841), (219, 99765), (365, 59859), (405, 53947), (657, 33255), (739, 29565), (1095, 19953), (1971, 11085), (2217, 9855), (3285, 6651), (3695, 5913)]