21083964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 53993856

約数和(自身を除く): 32909892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 211, 422, 633, 757, 844, 1266, 1514, 2271, 2321, 2532, 3028, 4542, 4642, 6963, 8327, 9084, 9284, 13926, 16654, 24981, 27852, 33308, 49962, 99924, 159727, 319454, 479181, 638908, 958362, 1756997, 1916724, 3513994, 5270991, 7027988, 10541982, 21083964]

約数ペア:

[(1, 21083964), (2, 10541982), (3, 7027988), (4, 5270991), (6, 3513994), (11, 1916724), (12, 1756997), (22, 958362), (33, 638908), (44, 479181), (66, 319454), (132, 159727), (211, 99924), (422, 49962), (633, 33308), (757, 27852), (844, 24981), (1266, 16654), (1514, 13926), (2271, 9284), (2321, 9084), (2532, 8327), (3028, 6963), (4542, 4642)]