21070840000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{75253}}^1$

素因数の和:75292

約数の個数: 140

約数和(自身を含む): 59713747984

約数和(自身を除く): 38642907984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1600, 1750, 2000, 2240, 2500, 2800, 3500, 4000, 4375, 5000, 5600, 7000, 8000, 8750, 10000, 11200, 14000, 17500, 20000, 28000, 35000, 40000, 56000, 70000, 75253, 140000, 150506, 280000, 301012, 376265, 526771, 602024, 752530, 1053542, 1204048, 1505060, 1881325, 2107084, 2408096, 2633855, 3010120, 3762650, 4214168, 4816192, 5267710, 6020240, 7525300, 8428336, 9406625, 10535420, 12040480, 13169275, 15050600, 16856672, 18813250, 21070840, 24080960, 26338550, 30101200, 33713344, 37626500, 42141680, 47033125, 52677100, 60202400, 65846375, 75253000, 84283360, 94066250, 105354200, 120404800, 131692750, 150506000, 168566720, 188132500, 210708400, 263385500, 301012000, 329231875, 376265000, 421416800, 526771000, 602024000, 658463750, 752530000, 842833600, 1053542000, 1316927500, 1505060000, 2107084000, 2633855000, 3010120000, 4214168000, 5267710000, 10535420000, 21070840000]

約数ペア:

[(1, 21070840000), (2, 10535420000), (4, 5267710000), (5, 4214168000), (7, 3010120000), (8, 2633855000), (10, 2107084000), (14, 1505060000), (16, 1316927500), (20, 1053542000), (25, 842833600), (28, 752530000), (32, 658463750), (35, 602024000), (40, 526771000), (50, 421416800), (56, 376265000), (64, 329231875), (70, 301012000), (80, 263385500), (100, 210708400), (112, 188132500), (125, 168566720), (140, 150506000), (160, 131692750), (175, 120404800), (200, 105354200), (224, 94066250), (250, 84283360), (280, 75253000), (320, 65846375), (350, 60202400), (400, 52677100), (448, 47033125), (500, 42141680), (560, 37626500), (625, 33713344), (700, 30101200), (800, 26338550), (875, 24080960), (1000, 21070840), (1120, 18813250), (1250, 16856672), (1400, 15050600), (1600, 13169275), (1750, 12040480), (2000, 10535420), (2240, 9406625), (2500, 8428336), (2800, 7525300), (3500, 6020240), (4000, 5267710), (4375, 4816192), (5000, 4214168), (5600, 3762650), (7000, 3010120), (8000, 2633855), (8750, 2408096), (10000, 2107084), (11200, 1881325), (14000, 1505060), (17500, 1204048), (20000, 1053542), (28000, 752530), (35000, 602024), (40000, 526771), (56000, 376265), (70000, 301012), (75253, 280000), (140000, 150506)]