21567201456

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{20443}}^1$

素因数の和:21194

約数の個数: 80

約数和(自身を含む): 57596472320

約数和(自身を除く): 36029270864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 709, 744, 1418, 1488, 2127, 2836, 4254, 5672, 8508, 11344, 17016, 20443, 21979, 34032, 40886, 43958, 61329, 65937, 81772, 87916, 122658, 131874, 163544, 175832, 245316, 263748, 327088, 351664, 490632, 527496, 633733, 981264, 1054992, 1267466, 1901199, 2534932, 3802398, 5069864, 7604796, 10139728, 14494087, 15209592, 28988174, 30419184, 43482261, 57976348, 86964522, 115952696, 173929044, 231905392, 347858088, 449316697, 695716176, 898633394, 1347950091, 1797266788, 2695900182, 3594533576, 5391800364, 7189067152, 10783600728, 21567201456]

約数ペア:

[(1, 21567201456), (2, 10783600728), (3, 7189067152), (4, 5391800364), (6, 3594533576), (8, 2695900182), (12, 1797266788), (16, 1347950091), (24, 898633394), (31, 695716176), (48, 449316697), (62, 347858088), (93, 231905392), (124, 173929044), (186, 115952696), (248, 86964522), (372, 57976348), (496, 43482261), (709, 30419184), (744, 28988174), (1418, 15209592), (1488, 14494087), (2127, 10139728), (2836, 7604796), (4254, 5069864), (5672, 3802398), (8508, 2534932), (11344, 1901199), (17016, 1267466), (20443, 1054992), (21979, 981264), (34032, 633733), (40886, 527496), (43958, 490632), (61329, 351664), (65937, 327088), (81772, 263748), (87916, 245316), (122658, 175832), (131874, 163544)]