21490919998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1\times {\mathrm{10357}}^1$

素因数の和:11032

約数の個数: 32

約数和(自身を含む): 34126709760

約数和(自身を除く): 12635789762

約数列:

[1, 2, 23, 46, 79, 158, 571, 1142, 1817, 3634, 10357, 13133, 20714, 26266, 45109, 90218, 238211, 476422, 818203, 1037507, 1636406, 2075014, 5913847, 11827694, 18818669, 37637338, 136018481, 272036962, 467193913, 934387826, 10745459999, 21490919998]

約数ペア:

[(1, 21490919998), (2, 10745459999), (23, 934387826), (46, 467193913), (79, 272036962), (158, 136018481), (571, 37637338), (1142, 18818669), (1817, 11827694), (3634, 5913847), (10357, 2075014), (13133, 1636406), (20714, 1037507), (26266, 818203), (45109, 476422), (90218, 238211)]