21298144

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 108

約数和(自身を含む): 52916976

約数和(自身を除く): 31618832

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 47, 49, 56, 68, 94, 98, 112, 119, 136, 188, 196, 224, 238, 272, 289, 329, 376, 392, 476, 544, 578, 658, 752, 784, 799, 833, 952, 1156, 1316, 1504, 1568, 1598, 1666, 1904, 2023, 2303, 2312, 2632, 3196, 3332, 3808, 4046, 4606, 4624, 5264, 5593, 6392, 6664, 8092, 9212, 9248, 10528, 11186, 12784, 13328, 13583, 14161, 16184, 18424, 22372, 25568, 26656, 27166, 28322, 32368, 36848, 39151, 44744, 54332, 56644, 64736, 73696, 78302, 89488, 95081, 108664, 113288, 156604, 178976, 190162, 217328, 226576, 313208, 380324, 434656, 453152, 626416, 665567, 760648, 1252832, 1331134, 1521296, 2662268, 3042592, 5324536, 10649072, 21298144]

約数ペア:

[(1, 21298144), (2, 10649072), (4, 5324536), (7, 3042592), (8, 2662268), (14, 1521296), (16, 1331134), (17, 1252832), (28, 760648), (32, 665567), (34, 626416), (47, 453152), (49, 434656), (56, 380324), (68, 313208), (94, 226576), (98, 217328), (112, 190162), (119, 178976), (136, 156604), (188, 113288), (196, 108664), (224, 95081), (238, 89488), (272, 78302), (289, 73696), (329, 64736), (376, 56644), (392, 54332), (476, 44744), (544, 39151), (578, 36848), (658, 32368), (752, 28322), (784, 27166), (799, 26656), (833, 25568), (952, 22372), (1156, 18424), (1316, 16184), (1504, 14161), (1568, 13583), (1598, 13328), (1666, 12784), (1904, 11186), (2023, 10528), (2303, 9248), (2312, 9212), (2632, 8092), (3196, 6664), (3332, 6392), (3808, 5593), (4046, 5264), (4606, 4624)]