21273129790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{2137}}^1$

素因数の和:2618

約数の個数: 96

約数和(自身を含む): 44427468960

約数和(自身を除く): 23154339170

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 433, 605, 866, 1045, 1210, 2090, 2137, 2165, 2299, 4274, 4330, 4598, 4763, 8227, 9526, 10685, 11495, 16454, 21370, 22990, 23507, 23815, 40603, 41135, 47014, 47630, 52393, 81206, 82270, 90497, 104786, 117535, 180994, 203015, 235070, 258577, 261965, 406030, 446633, 452485, 517154, 523930, 893266, 904970, 925321, 995467, 1292885, 1850642, 1990934, 2233165, 2585770, 4466330, 4626605, 4912963, 4977335, 9253210, 9825926, 9954670, 10178531, 17581099, 20357062, 24564815, 35162198, 49129630, 50892655, 87905495, 101785310, 111963841, 175810990, 193392089, 223927682, 386784178, 559819205, 966960445, 1119638410, 1933920890, 2127312979, 4254625958, 10636564895, 21273129790]

約数ペア:

[(1, 21273129790), (2, 10636564895), (5, 4254625958), (10, 2127312979), (11, 1933920890), (19, 1119638410), (22, 966960445), (38, 559819205), (55, 386784178), (95, 223927682), (110, 193392089), (121, 175810990), (190, 111963841), (209, 101785310), (242, 87905495), (418, 50892655), (433, 49129630), (605, 35162198), (866, 24564815), (1045, 20357062), (1210, 17581099), (2090, 10178531), (2137, 9954670), (2165, 9825926), (2299, 9253210), (4274, 4977335), (4330, 4912963), (4598, 4626605), (4763, 4466330), (8227, 2585770), (9526, 2233165), (10685, 1990934), (11495, 1850642), (16454, 1292885), (21370, 995467), (22990, 925321), (23507, 904970), (23815, 893266), (40603, 523930), (41135, 517154), (47014, 452485), (47630, 446633), (52393, 406030), (81206, 261965), (82270, 258577), (90497, 235070), (104786, 203015), (117535, 180994)]