21490882413

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15259}}^1$

素因数の和:15367

約数の個数: 96

約数和(自身を含む): 39747294720

約数和(自身を除く): 18256412307

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 67, 77, 91, 143, 147, 201, 231, 273, 429, 469, 539, 637, 737, 871, 1001, 1407, 1617, 1911, 2211, 2613, 3003, 3283, 5159, 6097, 7007, 9581, 9849, 15259, 15477, 18291, 21021, 28743, 36113, 42679, 45777, 67067, 106813, 108339, 128037, 167849, 198367, 201201, 320439, 469469, 503547, 595101, 747691, 1022353, 1174943, 1388569, 1408407, 2182037, 2243073, 3067059, 3524829, 4165707, 6546111, 7156471, 8224601, 9719983, 11245883, 13290589, 15274259, 21469413, 24673803, 29159949, 33737649, 39871767, 45822777, 50095297, 78721181, 93034123, 106919813, 146196479, 150285891, 236163543, 279102369, 320759439, 438589437, 551048267, 651238861, 1023375353, 1653144801, 1953716583, 3070126059, 7163627471, 21490882413]

約数ペア:

[(1, 21490882413), (3, 7163627471), (7, 3070126059), (11, 1953716583), (13, 1653144801), (21, 1023375353), (33, 651238861), (39, 551048267), (49, 438589437), (67, 320759439), (77, 279102369), (91, 236163543), (143, 150285891), (147, 146196479), (201, 106919813), (231, 93034123), (273, 78721181), (429, 50095297), (469, 45822777), (539, 39871767), (637, 33737649), (737, 29159949), (871, 24673803), (1001, 21469413), (1407, 15274259), (1617, 13290589), (1911, 11245883), (2211, 9719983), (2613, 8224601), (3003, 7156471), (3283, 6546111), (5159, 4165707), (6097, 3524829), (7007, 3067059), (9581, 2243073), (9849, 2182037), (15259, 1408407), (15477, 1388569), (18291, 1174943), (21021, 1022353), (28743, 747691), (36113, 595101), (42679, 503547), (45777, 469469), (67067, 320439), (106813, 201201), (108339, 198367), (128037, 167849)]