21115665760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{319547}}^1$

素因数の和:319628

約数の個数: 96

約数和(自身を含む): 57978789120

約数和(自身を除く): 36863123360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1120, 1180, 1652, 1888, 2065, 2360, 3304, 4130, 4720, 6608, 8260, 9440, 13216, 16520, 33040, 66080, 319547, 639094, 1278188, 1597735, 2236829, 2556376, 3195470, 4473658, 5112752, 6390940, 8947316, 10225504, 11184145, 12781880, 17894632, 18853273, 22368290, 25563760, 35789264, 37706546, 44736580, 51127520, 71578528, 75413092, 89473160, 94266365, 131972911, 150826184, 178946320, 188532730, 263945822, 301652368, 357892640, 377065460, 527891644, 603304736, 659864555, 754130920, 1055783288, 1319729110, 1508261840, 2111566576, 2639458220, 3016523680, 4223133152, 5278916440, 10557832880, 21115665760]

約数ペア:

[(1, 21115665760), (2, 10557832880), (4, 5278916440), (5, 4223133152), (7, 3016523680), (8, 2639458220), (10, 2111566576), (14, 1508261840), (16, 1319729110), (20, 1055783288), (28, 754130920), (32, 659864555), (35, 603304736), (40, 527891644), (56, 377065460), (59, 357892640), (70, 301652368), (80, 263945822), (112, 188532730), (118, 178946320), (140, 150826184), (160, 131972911), (224, 94266365), (236, 89473160), (280, 75413092), (295, 71578528), (413, 51127520), (472, 44736580), (560, 37706546), (590, 35789264), (826, 25563760), (944, 22368290), (1120, 18853273), (1180, 17894632), (1652, 12781880), (1888, 11184145), (2065, 10225504), (2360, 8947316), (3304, 6390940), (4130, 5112752), (4720, 4473658), (6608, 3195470), (8260, 2556376), (9440, 2236829), (13216, 1597735), (16520, 1278188), (33040, 639094), (66080, 319547)]