21014000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 160

約数和(自身を含む): 61900800

約数和(自身を除く): 40886800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 79, 80, 95, 100, 112, 125, 133, 140, 152, 158, 175, 190, 200, 250, 266, 280, 304, 316, 350, 380, 395, 400, 475, 500, 532, 553, 560, 632, 665, 700, 760, 790, 875, 950, 1000, 1064, 1106, 1264, 1330, 1400, 1501, 1520, 1580, 1750, 1900, 1975, 2000, 2128, 2212, 2375, 2660, 2765, 2800, 3002, 3160, 3325, 3500, 3800, 3950, 4424, 4750, 5320, 5530, 6004, 6320, 6650, 7000, 7505, 7600, 7900, 8848, 9500, 9875, 10507, 10640, 11060, 12008, 13300, 13825, 14000, 15010, 15800, 16625, 19000, 19750, 21014, 22120, 24016, 26600, 27650, 30020, 31600, 33250, 37525, 38000, 39500, 42028, 44240, 52535, 53200, 55300, 60040, 66500, 69125, 75050, 79000, 84056, 105070, 110600, 120080, 133000, 138250, 150100, 158000, 168112, 187625, 210140, 221200, 262675, 266000, 276500, 300200, 375250, 420280, 525350, 553000, 600400, 750500, 840560, 1050700, 1106000, 1313375, 1501000, 2101400, 2626750, 3002000, 4202800, 5253500, 10507000, 21014000]

約数ペア:

[(1, 21014000), (2, 10507000), (4, 5253500), (5, 4202800), (7, 3002000), (8, 2626750), (10, 2101400), (14, 1501000), (16, 1313375), (19, 1106000), (20, 1050700), (25, 840560), (28, 750500), (35, 600400), (38, 553000), (40, 525350), (50, 420280), (56, 375250), (70, 300200), (76, 276500), (79, 266000), (80, 262675), (95, 221200), (100, 210140), (112, 187625), (125, 168112), (133, 158000), (140, 150100), (152, 138250), (158, 133000), (175, 120080), (190, 110600), (200, 105070), (250, 84056), (266, 79000), (280, 75050), (304, 69125), (316, 66500), (350, 60040), (380, 55300), (395, 53200), (400, 52535), (475, 44240), (500, 42028), (532, 39500), (553, 38000), (560, 37525), (632, 33250), (665, 31600), (700, 30020), (760, 27650), (790, 26600), (875, 24016), (950, 22120), (1000, 21014), (1064, 19750), (1106, 19000), (1264, 16625), (1330, 15800), (1400, 15010), (1501, 14000), (1520, 13825), (1580, 13300), (1750, 12008), (1900, 11060), (1975, 10640), (2000, 10507), (2128, 9875), (2212, 9500), (2375, 8848), (2660, 7900), (2765, 7600), (2800, 7505), (3002, 7000), (3160, 6650), (3325, 6320), (3500, 6004), (3800, 5530), (3950, 5320), (4424, 4750)]