21276704

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16217}}^1$

素因数の和:16268

約数の個数: 24

約数和(自身を含む): 42912828

約数和(自身を除く): 21636124

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16217, 32434, 64868, 129736, 259472, 518944, 664897, 1329794, 2659588, 5319176, 10638352, 21276704]

約数ペア:

[(1, 21276704), (2, 10638352), (4, 5319176), (8, 2659588), (16, 1329794), (32, 664897), (41, 518944), (82, 259472), (164, 129736), (328, 64868), (656, 32434), (1312, 16217)]