21160300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 58051840

約数和(自身を除く): 36891540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 37, 38, 43, 50, 70, 74, 76, 86, 95, 100, 133, 140, 148, 172, 175, 185, 190, 215, 259, 266, 301, 350, 370, 380, 430, 475, 518, 532, 602, 665, 700, 703, 740, 817, 860, 925, 950, 1036, 1075, 1204, 1295, 1330, 1406, 1505, 1591, 1634, 1850, 1900, 2150, 2590, 2660, 2812, 3010, 3182, 3268, 3325, 3515, 3700, 4085, 4300, 4921, 5180, 5719, 6020, 6364, 6475, 6650, 7030, 7525, 7955, 8170, 9842, 11137, 11438, 12950, 13300, 14060, 15050, 15910, 16340, 17575, 19684, 20425, 22274, 22876, 24605, 25900, 28595, 30100, 30229, 31820, 35150, 39775, 40850, 44548, 49210, 55685, 57190, 60458, 70300, 79550, 81700, 98420, 111370, 114380, 120916, 123025, 142975, 151145, 159100, 211603, 222740, 246050, 278425, 285950, 302290, 423206, 492100, 556850, 571900, 604580, 755725, 846412, 1058015, 1113700, 1511450, 2116030, 3022900, 4232060, 5290075, 10580150, 21160300]

約数ペア:

[(1, 21160300), (2, 10580150), (4, 5290075), (5, 4232060), (7, 3022900), (10, 2116030), (14, 1511450), (19, 1113700), (20, 1058015), (25, 846412), (28, 755725), (35, 604580), (37, 571900), (38, 556850), (43, 492100), (50, 423206), (70, 302290), (74, 285950), (76, 278425), (86, 246050), (95, 222740), (100, 211603), (133, 159100), (140, 151145), (148, 142975), (172, 123025), (175, 120916), (185, 114380), (190, 111370), (215, 98420), (259, 81700), (266, 79550), (301, 70300), (350, 60458), (370, 57190), (380, 55685), (430, 49210), (475, 44548), (518, 40850), (532, 39775), (602, 35150), (665, 31820), (700, 30229), (703, 30100), (740, 28595), (817, 25900), (860, 24605), (925, 22876), (950, 22274), (1036, 20425), (1075, 19684), (1204, 17575), (1295, 16340), (1330, 15910), (1406, 15050), (1505, 14060), (1591, 13300), (1634, 12950), (1850, 11438), (1900, 11137), (2150, 9842), (2590, 8170), (2660, 7955), (2812, 7525), (3010, 7030), (3182, 6650), (3268, 6475), (3325, 6364), (3515, 6020), (3700, 5719), (4085, 5180), (4300, 4921)]