21038814

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 48372480

約数和(自身を除く): 27333666

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 227, 271, 342, 454, 542, 681, 813, 1362, 1626, 2043, 2439, 4086, 4313, 4878, 5149, 8626, 10298, 12939, 15447, 25878, 30894, 38817, 46341, 61517, 77634, 92682, 123034, 184551, 369102, 553653, 1107306, 1168823, 2337646, 3506469, 7012938, 10519407, 21038814]

約数ペア:

[(1, 21038814), (2, 10519407), (3, 7012938), (6, 3506469), (9, 2337646), (18, 1168823), (19, 1107306), (38, 553653), (57, 369102), (114, 184551), (171, 123034), (227, 92682), (271, 77634), (342, 61517), (454, 46341), (542, 38817), (681, 30894), (813, 25878), (1362, 15447), (1626, 12939), (2043, 10298), (2439, 8626), (4086, 5149), (4313, 4878)]