21878076

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1549}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 34368324

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 132, 214, 321, 428, 642, 1177, 1284, 1549, 2354, 3098, 3531, 4647, 4708, 6196, 7062, 9294, 14124, 17039, 18588, 34078, 51117, 68156, 102234, 165743, 204468, 331486, 497229, 662972, 994458, 1823173, 1988916, 3646346, 5469519, 7292692, 10939038, 21878076]

約数ペア:

[(1, 21878076), (2, 10939038), (3, 7292692), (4, 5469519), (6, 3646346), (11, 1988916), (12, 1823173), (22, 994458), (33, 662972), (44, 497229), (66, 331486), (107, 204468), (132, 165743), (214, 102234), (321, 68156), (428, 51117), (642, 34078), (1177, 18588), (1284, 17039), (1549, 14124), (2354, 9294), (3098, 7062), (3531, 6196), (4647, 4708)]