21893982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 49124880

約数和(自身を除く): 27230898

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 106, 121, 159, 242, 318, 363, 569, 583, 726, 1138, 1166, 1707, 1749, 3414, 3498, 6259, 6413, 12518, 12826, 18777, 19239, 30157, 37554, 38478, 60314, 68849, 90471, 137698, 180942, 206547, 331727, 413094, 663454, 995181, 1990362, 3648997, 7297994, 10946991, 21893982]

約数ペア:

[(1, 21893982), (2, 10946991), (3, 7297994), (6, 3648997), (11, 1990362), (22, 995181), (33, 663454), (53, 413094), (66, 331727), (106, 206547), (121, 180942), (159, 137698), (242, 90471), (318, 68849), (363, 60314), (569, 38478), (583, 37554), (726, 30157), (1138, 19239), (1166, 18777), (1707, 12826), (1749, 12518), (3414, 6413), (3498, 6259)]