213801420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16421}}^1$

素因数の和:16471

約数の個数: 96

約数和(自身を含む): 706277376

約数和(自身を除く): 492475956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 16421, 32842, 49263, 65684, 82105, 98526, 114947, 164210, 197052, 229894, 246315, 328420, 344841, 459788, 492630, 509051, 574735, 689682, 985260, 1018102, 1149470, 1379364, 1527153, 1724205, 2036204, 2298940, 2545255, 3054306, 3448410, 3563357, 5090510, 6108612, 6896820, 7126714, 7635765, 10181020, 10690071, 14253428, 15271530, 17816785, 21380142, 30543060, 35633570, 42760284, 53450355, 71267140, 106900710, 213801420]

約数ペア:

[(1, 213801420), (2, 106900710), (3, 71267140), (4, 53450355), (5, 42760284), (6, 35633570), (7, 30543060), (10, 21380142), (12, 17816785), (14, 15271530), (15, 14253428), (20, 10690071), (21, 10181020), (28, 7635765), (30, 7126714), (31, 6896820), (35, 6108612), (42, 5090510), (60, 3563357), (62, 3448410), (70, 3054306), (84, 2545255), (93, 2298940), (105, 2036204), (124, 1724205), (140, 1527153), (155, 1379364), (186, 1149470), (210, 1018102), (217, 985260), (310, 689682), (372, 574735), (420, 509051), (434, 492630), (465, 459788), (620, 344841), (651, 328420), (868, 246315), (930, 229894), (1085, 197052), (1302, 164210), (1860, 114947), (2170, 98526), (2604, 82105), (3255, 65684), (4340, 49263), (6510, 32842), (13020, 16421)]