21742764

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2029}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 54566400

約数和(自身を除く): 32823636

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 114, 141, 188, 228, 282, 564, 893, 1786, 2029, 2679, 3572, 4058, 5358, 6087, 8116, 10716, 12174, 24348, 38551, 77102, 95363, 115653, 154204, 190726, 231306, 286089, 381452, 462612, 572178, 1144356, 1811897, 3623794, 5435691, 7247588, 10871382, 21742764]

約数ペア:

[(1, 21742764), (2, 10871382), (3, 7247588), (4, 5435691), (6, 3623794), (12, 1811897), (19, 1144356), (38, 572178), (47, 462612), (57, 381452), (76, 286089), (94, 231306), (114, 190726), (141, 154204), (188, 115653), (228, 95363), (282, 77102), (564, 38551), (893, 24348), (1786, 12174), (2029, 10716), (2679, 8116), (3572, 6087), (4058, 5358)]