21430208

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8167}}^1$

素因数の和:8220

約数の個数: 28

約数和(自身を含む): 43568112

約数和(自身を除く): 22137904

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8167, 16334, 32668, 65336, 130672, 261344, 334847, 522688, 669694, 1339388, 2678776, 5357552, 10715104, 21430208]

約数ペア:

[(1, 21430208), (2, 10715104), (4, 5357552), (8, 2678776), (16, 1339388), (32, 669694), (41, 522688), (64, 334847), (82, 261344), (164, 130672), (328, 65336), (656, 32668), (1312, 16334), (2624, 8167)]