21377728

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8147}}^1$

素因数の和:8200

約数の個数: 28

約数和(自身を含む): 43461432

約数和(自身を除く): 22083704

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8147, 16294, 32588, 65176, 130352, 260704, 334027, 521408, 668054, 1336108, 2672216, 5344432, 10688864, 21377728]

約数ペア:

[(1, 21377728), (2, 10688864), (4, 5344432), (8, 2672216), (16, 1336108), (32, 668054), (41, 521408), (64, 334027), (82, 260704), (164, 130352), (328, 65176), (656, 32588), (1312, 16294), (2624, 8147)]