21054204

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30781}}^1$

素因数の和:30810

約数の個数: 36

約数和(自身を含む): 56023240

約数和(自身を除く): 34969036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30781, 61562, 92343, 123124, 184686, 277029, 369372, 554058, 584839, 1108116, 1169678, 1754517, 2339356, 3509034, 5263551, 7018068, 10527102, 21054204]

約数ペア:

[(1, 21054204), (2, 10527102), (3, 7018068), (4, 5263551), (6, 3509034), (9, 2339356), (12, 1754517), (18, 1169678), (19, 1108116), (36, 584839), (38, 554058), (57, 369372), (76, 277029), (114, 184686), (171, 123124), (228, 92343), (342, 61562), (684, 30781)]