21718356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4013}}^1$

素因数の和:4072

約数の個数: 48

約数和(自身を含む): 56645568

約数和(自身を除く): 34927212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 123, 132, 164, 246, 451, 492, 902, 1353, 1804, 2706, 4013, 5412, 8026, 12039, 16052, 24078, 44143, 48156, 88286, 132429, 164533, 176572, 264858, 329066, 493599, 529716, 658132, 987198, 1809863, 1974396, 3619726, 5429589, 7239452, 10859178, 21718356]

約数ペア:

[(1, 21718356), (2, 10859178), (3, 7239452), (4, 5429589), (6, 3619726), (11, 1974396), (12, 1809863), (22, 987198), (33, 658132), (41, 529716), (44, 493599), (66, 329066), (82, 264858), (123, 176572), (132, 164533), (164, 132429), (246, 88286), (451, 48156), (492, 44143), (902, 24078), (1353, 16052), (1804, 12039), (2706, 8026), (4013, 5412)]