21978064

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59723}}^1$

素因数の和:59754

約数の個数: 20

約数和(自身を含む): 44434656

約数和(自身を除く): 22456592

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 59723, 119446, 238892, 477784, 955568, 1373629, 2747258, 5494516, 10989032, 21978064]

約数ペア:

[(1, 21978064), (2, 10989032), (4, 5494516), (8, 2747258), (16, 1373629), (23, 955568), (46, 477784), (92, 238892), (184, 119446), (368, 59723)]