21258468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7669}}^1$

素因数の和:7697

約数の個数: 72

約数和(自身を含む): 67005120

約数和(自身を除く): 45746652

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7669, 15338, 23007, 30676, 46014, 53683, 69021, 84359, 92028, 107366, 138042, 161049, 168718, 214732, 253077, 276084, 322098, 337436, 483147, 506154, 590513, 644196, 759231, 966294, 1012308, 1181026, 1518462, 1771539, 1932588, 2362052, 3036924, 3543078, 5314617, 7086156, 10629234, 21258468]

約数ペア:

[(1, 21258468), (2, 10629234), (3, 7086156), (4, 5314617), (6, 3543078), (7, 3036924), (9, 2362052), (11, 1932588), (12, 1771539), (14, 1518462), (18, 1181026), (21, 1012308), (22, 966294), (28, 759231), (33, 644196), (36, 590513), (42, 506154), (44, 483147), (63, 337436), (66, 322098), (77, 276084), (84, 253077), (99, 214732), (126, 168718), (132, 161049), (154, 138042), (198, 107366), (231, 92028), (252, 84359), (308, 69021), (396, 53683), (462, 46014), (693, 30676), (924, 23007), (1386, 15338), (2772, 7669)]