21053200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 59166848

約数和(自身を除く): 38113648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 73, 80, 100, 103, 112, 140, 146, 175, 200, 206, 280, 292, 350, 365, 400, 412, 511, 515, 560, 584, 700, 721, 730, 824, 1022, 1030, 1168, 1400, 1442, 1460, 1648, 1825, 2044, 2060, 2555, 2575, 2800, 2884, 2920, 3605, 3650, 4088, 4120, 5110, 5150, 5768, 5840, 7210, 7300, 7519, 8176, 8240, 10220, 10300, 11536, 12775, 14420, 14600, 15038, 18025, 20440, 20600, 25550, 28840, 29200, 30076, 36050, 37595, 40880, 41200, 51100, 52633, 57680, 60152, 72100, 75190, 102200, 105266, 120304, 144200, 150380, 187975, 204400, 210532, 263165, 288400, 300760, 375950, 421064, 526330, 601520, 751900, 842128, 1052660, 1315825, 1503800, 2105320, 2631650, 3007600, 4210640, 5263300, 10526600, 21053200]

約数ペア:

[(1, 21053200), (2, 10526600), (4, 5263300), (5, 4210640), (7, 3007600), (8, 2631650), (10, 2105320), (14, 1503800), (16, 1315825), (20, 1052660), (25, 842128), (28, 751900), (35, 601520), (40, 526330), (50, 421064), (56, 375950), (70, 300760), (73, 288400), (80, 263165), (100, 210532), (103, 204400), (112, 187975), (140, 150380), (146, 144200), (175, 120304), (200, 105266), (206, 102200), (280, 75190), (292, 72100), (350, 60152), (365, 57680), (400, 52633), (412, 51100), (511, 41200), (515, 40880), (560, 37595), (584, 36050), (700, 30076), (721, 29200), (730, 28840), (824, 25550), (1022, 20600), (1030, 20440), (1168, 18025), (1400, 15038), (1442, 14600), (1460, 14420), (1648, 12775), (1825, 11536), (2044, 10300), (2060, 10220), (2555, 8240), (2575, 8176), (2800, 7519), (2884, 7300), (2920, 7210), (3605, 5840), (3650, 5768), (4088, 5150), (4120, 5110)]