21239152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120677}}^1$

素因数の和:120696

約数の個数: 20

約数和(自身を含む): 44892216

約数和(自身を除く): 23653064

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120677, 241354, 482708, 965416, 1327447, 1930832, 2654894, 5309788, 10619576, 21239152]

約数ペア:

[(1, 21239152), (2, 10619576), (4, 5309788), (8, 2654894), (11, 1930832), (16, 1327447), (22, 965416), (44, 482708), (88, 241354), (176, 120677)]