21808542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27329}}^1$

素因数の和:27360

約数の個数: 32

約数和(自身を含む): 52473600

約数和(自身を除く): 30665058

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 27329, 54658, 81987, 163974, 191303, 382606, 519251, 573909, 1038502, 1147818, 1557753, 3115506, 3634757, 7269514, 10904271, 21808542]

約数ペア:

[(1, 21808542), (2, 10904271), (3, 7269514), (6, 3634757), (7, 3115506), (14, 1557753), (19, 1147818), (21, 1038502), (38, 573909), (42, 519251), (57, 382606), (114, 191303), (133, 163974), (266, 81987), (399, 54658), (798, 27329)]