21068600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 56916000

約数和(自身を除く): 35847400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 101, 140, 149, 175, 200, 202, 280, 298, 350, 404, 505, 596, 700, 707, 745, 808, 1010, 1043, 1192, 1400, 1414, 1490, 2020, 2086, 2525, 2828, 2980, 3535, 3725, 4040, 4172, 5050, 5215, 5656, 5960, 7070, 7450, 8344, 10100, 10430, 14140, 14900, 15049, 17675, 20200, 20860, 26075, 28280, 29800, 30098, 35350, 41720, 52150, 60196, 70700, 75245, 104300, 105343, 120392, 141400, 150490, 208600, 210686, 300980, 376225, 421372, 526715, 601960, 752450, 842744, 1053430, 1504900, 2106860, 2633575, 3009800, 4213720, 5267150, 10534300, 21068600]

約数ペア:

[(1, 21068600), (2, 10534300), (4, 5267150), (5, 4213720), (7, 3009800), (8, 2633575), (10, 2106860), (14, 1504900), (20, 1053430), (25, 842744), (28, 752450), (35, 601960), (40, 526715), (50, 421372), (56, 376225), (70, 300980), (100, 210686), (101, 208600), (140, 150490), (149, 141400), (175, 120392), (200, 105343), (202, 104300), (280, 75245), (298, 70700), (350, 60196), (404, 52150), (505, 41720), (596, 35350), (700, 30098), (707, 29800), (745, 28280), (808, 26075), (1010, 20860), (1043, 20200), (1192, 17675), (1400, 15049), (1414, 14900), (1490, 14140), (2020, 10430), (2086, 10100), (2525, 8344), (2828, 7450), (2980, 7070), (3535, 5960), (3725, 5656), (4040, 5215), (4172, 5050)]