213311812

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{20101}}^1$

素因数の和:20491

約数の個数: 24

約数和(自身を含む): 427770560

約数和(自身を除く): 214458748

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 2653, 5306, 10612, 20101, 40202, 80404, 140707, 281414, 562828, 7618279, 15236558, 30473116, 53327953, 106655906, 213311812]

約数ペア:

[(1, 213311812), (2, 106655906), (4, 53327953), (7, 30473116), (14, 15236558), (28, 7618279), (379, 562828), (758, 281414), (1516, 140707), (2653, 80404), (5306, 40202), (10612, 20101)]