21254772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23003}}^1$

素因数の和:23028

約数の個数: 48

約数和(自身を含む): 61834752

約数和(自身を除く): 40579980

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 23003, 46006, 69009, 92012, 138018, 161021, 253033, 276036, 322042, 483063, 506066, 644084, 759099, 966126, 1012132, 1518198, 1771231, 1932252, 3036396, 3542462, 5313693, 7084924, 10627386, 21254772]

約数ペア:

[(1, 21254772), (2, 10627386), (3, 7084924), (4, 5313693), (6, 3542462), (7, 3036396), (11, 1932252), (12, 1771231), (14, 1518198), (21, 1012132), (22, 966126), (28, 759099), (33, 644084), (42, 506066), (44, 483063), (66, 322042), (77, 276036), (84, 253033), (132, 161021), (154, 138018), (231, 92012), (308, 69009), (462, 46006), (924, 23003)]