21556336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3083}}^1$

素因数の和:3133

約数の個数: 40

約数和(自身を含む): 45889920

約数和(自身を除く): 24333584

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3083, 3496, 6166, 6992, 12332, 24664, 49328, 58577, 70909, 117154, 141818, 234308, 283636, 468616, 567272, 937232, 1134544, 1347271, 2694542, 5389084, 10778168, 21556336]

約数ペア:

[(1, 21556336), (2, 10778168), (4, 5389084), (8, 2694542), (16, 1347271), (19, 1134544), (23, 937232), (38, 567272), (46, 468616), (76, 283636), (92, 234308), (152, 141818), (184, 117154), (304, 70909), (368, 58577), (437, 49328), (874, 24664), (1748, 12332), (3083, 6992), (3496, 6166)]