21916112

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 44361000

約数和(自身を除く): 22444888

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 149, 232, 298, 317, 464, 596, 634, 1192, 1268, 2384, 2536, 4321, 5072, 8642, 9193, 17284, 18386, 34568, 36772, 47233, 69136, 73544, 94466, 147088, 188932, 377864, 755728, 1369757, 2739514, 5479028, 10958056, 21916112]

約数ペア:

[(1, 21916112), (2, 10958056), (4, 5479028), (8, 2739514), (16, 1369757), (29, 755728), (58, 377864), (116, 188932), (149, 147088), (232, 94466), (298, 73544), (317, 69136), (464, 47233), (596, 36772), (634, 34568), (1192, 18386), (1268, 17284), (2384, 9193), (2536, 8642), (4321, 5072)]