21716292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 55121472

約数和(自身を除く): 33405180

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1284, 1301, 1391, 2602, 2782, 3903, 4173, 5204, 5564, 7806, 8346, 15612, 16692, 16913, 33826, 50739, 67652, 101478, 139207, 202956, 278414, 417621, 556828, 835242, 1670484, 1809691, 3619382, 5429073, 7238764, 10858146, 21716292]

約数ペア:

[(1, 21716292), (2, 10858146), (3, 7238764), (4, 5429073), (6, 3619382), (12, 1809691), (13, 1670484), (26, 835242), (39, 556828), (52, 417621), (78, 278414), (107, 202956), (156, 139207), (214, 101478), (321, 67652), (428, 50739), (642, 33826), (1284, 16913), (1301, 16692), (1391, 15612), (2602, 8346), (2782, 7806), (3903, 5564), (4173, 5204)]