21023952

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 57139200

約数和(自身を除く): 36115248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 71, 93, 124, 142, 186, 199, 213, 248, 284, 372, 398, 426, 496, 568, 597, 744, 796, 852, 1136, 1194, 1488, 1592, 1704, 2201, 2388, 3184, 3408, 4402, 4776, 6169, 6603, 8804, 9552, 12338, 13206, 14129, 17608, 18507, 24676, 26412, 28258, 35216, 37014, 42387, 49352, 52824, 56516, 74028, 84774, 98704, 105648, 113032, 148056, 169548, 226064, 296112, 339096, 437999, 678192, 875998, 1313997, 1751996, 2627994, 3503992, 5255988, 7007984, 10511976, 21023952]

約数ペア:

[(1, 21023952), (2, 10511976), (3, 7007984), (4, 5255988), (6, 3503992), (8, 2627994), (12, 1751996), (16, 1313997), (24, 875998), (31, 678192), (48, 437999), (62, 339096), (71, 296112), (93, 226064), (124, 169548), (142, 148056), (186, 113032), (199, 105648), (213, 98704), (248, 84774), (284, 74028), (372, 56516), (398, 52824), (426, 49352), (496, 42387), (568, 37014), (597, 35216), (744, 28258), (796, 26412), (852, 24676), (1136, 18507), (1194, 17608), (1488, 14129), (1592, 13206), (1704, 12338), (2201, 9552), (2388, 8804), (3184, 6603), (3408, 6169), (4402, 4776)]