21660894

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{52321}}^1$

素因数の和:52352

約数の個数: 24

約数和(自身を含む): 48973392

約数和(自身を除く): 27312498

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 52321, 104642, 156963, 313926, 470889, 941778, 1203383, 2406766, 3610149, 7220298, 10830447, 21660894]

約数ペア:

[(1, 21660894), (2, 10830447), (3, 7220298), (6, 3610149), (9, 2406766), (18, 1203383), (23, 941778), (46, 470889), (69, 313926), (138, 156963), (207, 104642), (414, 52321)]