21641336

素因数分解:

$2^3\times {\mathrm{61}}^2\times {\mathrm{727}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 41310360

約数和(自身を除く): 19669024

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 727, 1454, 2908, 3721, 5816, 7442, 14884, 29768, 44347, 88694, 177388, 354776, 2705167, 5410334, 10820668, 21641336]

約数ペア:

[(1, 21641336), (2, 10820668), (4, 5410334), (8, 2705167), (61, 354776), (122, 177388), (244, 88694), (488, 44347), (727, 29768), (1454, 14884), (2908, 7442), (3721, 5816)]