21711492

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 38828988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 109, 132, 198, 218, 327, 396, 436, 503, 654, 981, 1006, 1199, 1308, 1509, 1962, 2012, 2398, 3018, 3597, 3924, 4527, 4796, 5533, 6036, 7194, 9054, 10791, 11066, 14388, 16599, 18108, 21582, 22132, 33198, 43164, 49797, 54827, 66396, 99594, 109654, 164481, 199188, 219308, 328962, 493443, 603097, 657924, 986886, 1206194, 1809291, 1973772, 2412388, 3618582, 5427873, 7237164, 10855746, 21711492]

約数ペア:

[(1, 21711492), (2, 10855746), (3, 7237164), (4, 5427873), (6, 3618582), (9, 2412388), (11, 1973772), (12, 1809291), (18, 1206194), (22, 986886), (33, 657924), (36, 603097), (44, 493443), (66, 328962), (99, 219308), (109, 199188), (132, 164481), (198, 109654), (218, 99594), (327, 66396), (396, 54827), (436, 49797), (503, 43164), (654, 33198), (981, 22132), (1006, 21582), (1199, 18108), (1308, 16599), (1509, 14388), (1962, 11066), (2012, 10791), (2398, 9054), (3018, 7194), (3597, 6036), (3924, 5533), (4527, 4796)]