21743144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2699}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 43740000

約数和(自身を除く): 21996856

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2699, 4028, 5398, 8056, 10796, 21592, 51281, 102562, 143047, 205124, 286094, 410248, 572188, 1144376, 2717893, 5435786, 10871572, 21743144]

約数ペア:

[(1, 21743144), (2, 10871572), (4, 5435786), (8, 2717893), (19, 1144376), (38, 572188), (53, 410248), (76, 286094), (106, 205124), (152, 143047), (212, 102562), (424, 51281), (1007, 21592), (2014, 10796), (2699, 8056), (4028, 5398)]