2021065907

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 2475893952

約数和(自身を除く): 454828045

約数列:

[1, 7, 49, 53, 71, 97, 113, 371, 497, 679, 791, 2597, 3479, 3763, 4753, 5141, 5537, 5989, 6887, 8023, 10961, 26341, 35987, 41923, 48209, 56161, 76727, 184387, 251909, 293461, 337463, 365011, 393127, 425219, 537089, 580933, 778231, 2555077, 2976533, 4066531, 5447617, 17885539, 20835731, 28465717, 38133319, 41246243, 288723701, 2021065907]

約数ペア:

[(1, 2021065907), (7, 288723701), (49, 41246243), (53, 38133319), (71, 28465717), (97, 20835731), (113, 17885539), (371, 5447617), (497, 4066531), (679, 2976533), (791, 2555077), (2597, 778231), (3479, 580933), (3763, 537089), (4753, 425219), (5141, 393127), (5537, 365011), (5989, 337463), (6887, 293461), (8023, 251909), (10961, 184387), (26341, 76727), (35987, 56161), (41923, 48209)]