21303612

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2339}}^1$

素因数の和:2383

約数の個数: 72

約数和(自身を含む): 61326720

約数和(自身を除く): 40023108

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 2339, 3036, 4554, 4678, 7017, 9108, 9356, 14034, 21051, 25729, 28068, 42102, 51458, 53797, 77187, 84204, 102916, 107594, 154374, 161391, 215188, 231561, 308748, 322782, 463122, 484173, 591767, 645564, 926244, 968346, 1183534, 1775301, 1936692, 2367068, 3550602, 5325903, 7101204, 10651806, 21303612]

約数ペア:

[(1, 21303612), (2, 10651806), (3, 7101204), (4, 5325903), (6, 3550602), (9, 2367068), (11, 1936692), (12, 1775301), (18, 1183534), (22, 968346), (23, 926244), (33, 645564), (36, 591767), (44, 484173), (46, 463122), (66, 322782), (69, 308748), (92, 231561), (99, 215188), (132, 161391), (138, 154374), (198, 107594), (207, 102916), (253, 84204), (276, 77187), (396, 53797), (414, 51458), (506, 42102), (759, 28068), (828, 25729), (1012, 21051), (1518, 14034), (2277, 9356), (2339, 9108), (3036, 7017), (4554, 4678)]