21816032

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:388

約数の個数: 72

約数和(自身を含む): 52298064

約数和(自身を除く): 30482032

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 337, 476, 544, 578, 674, 952, 1156, 1348, 1904, 2023, 2312, 2359, 2696, 3808, 4046, 4624, 4718, 5392, 5729, 8092, 9248, 9436, 10784, 11458, 16184, 18872, 22916, 32368, 37744, 40103, 45832, 64736, 75488, 80206, 91664, 97393, 160412, 183328, 194786, 320824, 389572, 641648, 681751, 779144, 1283296, 1363502, 1558288, 2727004, 3116576, 5454008, 10908016, 21816032]

約数ペア:

[(1, 21816032), (2, 10908016), (4, 5454008), (7, 3116576), (8, 2727004), (14, 1558288), (16, 1363502), (17, 1283296), (28, 779144), (32, 681751), (34, 641648), (56, 389572), (68, 320824), (112, 194786), (119, 183328), (136, 160412), (224, 97393), (238, 91664), (272, 80206), (289, 75488), (337, 64736), (476, 45832), (544, 40103), (578, 37744), (674, 32368), (952, 22916), (1156, 18872), (1348, 16184), (1904, 11458), (2023, 10784), (2312, 9436), (2359, 9248), (2696, 8092), (3808, 5729), (4046, 5392), (4624, 4718)]