21750224

素因数分解:

$2^4\times {\mathrm{1117}}^1\times {\mathrm{1217}}^1$

素因数の和:2342

約数の個数: 20

約数和(自身を含む): 42213444

約数和(自身を除く): 20463220

約数列:

[1, 2, 4, 8, 16, 1117, 1217, 2234, 2434, 4468, 4868, 8936, 9736, 17872, 19472, 1359389, 2718778, 5437556, 10875112, 21750224]

約数ペア:

[(1, 21750224), (2, 10875112), (4, 5437556), (8, 2718778), (16, 1359389), (1117, 19472), (1217, 17872), (2234, 9736), (2434, 8936), (4468, 4868)]