21636076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 47577600

約数和(自身を除く): 25941524

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 199, 308, 353, 398, 706, 796, 1393, 1412, 2189, 2471, 2786, 3883, 4378, 4942, 5572, 7766, 8756, 9884, 15323, 15532, 27181, 30646, 54362, 61292, 70247, 108724, 140494, 280988, 491729, 772717, 983458, 1545434, 1966916, 3090868, 5409019, 10818038, 21636076]

約数ペア:

[(1, 21636076), (2, 10818038), (4, 5409019), (7, 3090868), (11, 1966916), (14, 1545434), (22, 983458), (28, 772717), (44, 491729), (77, 280988), (154, 140494), (199, 108724), (308, 70247), (353, 61292), (398, 54362), (706, 30646), (796, 27181), (1393, 15532), (1412, 15323), (2189, 9884), (2471, 8756), (2786, 7766), (3883, 5572), (4378, 4942)]