21143716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 44634240

約数和(自身を除く): 23490524

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1229, 1564, 2458, 4301, 4916, 8602, 13519, 17204, 20893, 27038, 28267, 41786, 54076, 56534, 83572, 113068, 229823, 310937, 459646, 480539, 621874, 919292, 961078, 1243748, 1922156, 5285929, 10571858, 21143716]

約数ペア:

[(1, 21143716), (2, 10571858), (4, 5285929), (11, 1922156), (17, 1243748), (22, 961078), (23, 919292), (34, 621874), (44, 480539), (46, 459646), (68, 310937), (92, 229823), (187, 113068), (253, 83572), (374, 56534), (391, 54076), (506, 41786), (748, 28267), (782, 27038), (1012, 20893), (1229, 17204), (1564, 13519), (2458, 8602), (4301, 4916)]