21010086

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2671}}^1$

素因数の和:2721

約数の個数: 48

約数和(自身を含む): 50019840

約数和(自身を除く): 29009754

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2622, 2671, 3933, 5342, 7866, 8013, 16026, 24039, 48078, 50749, 61433, 101498, 122866, 152247, 184299, 304494, 368598, 456741, 552897, 913482, 1105794, 1167227, 2334454, 3501681, 7003362, 10505043, 21010086]

約数ペア:

[(1, 21010086), (2, 10505043), (3, 7003362), (6, 3501681), (9, 2334454), (18, 1167227), (19, 1105794), (23, 913482), (38, 552897), (46, 456741), (57, 368598), (69, 304494), (114, 184299), (138, 152247), (171, 122866), (207, 101498), (342, 61433), (414, 50749), (437, 48078), (874, 24039), (1311, 16026), (2622, 8013), (2671, 7866), (3933, 5342)]