20211793917

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1\times {\mathrm{7873}}^1$

素因数の和:10769

約数の個数: 32

約数和(自身を含む): 31530267648

約数和(自身を除く): 11318473731

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 2843, 7873, 8529, 19901, 23619, 55111, 59703, 122249, 165333, 338539, 366747, 855743, 1015617, 2369773, 2567229, 7109319, 22382939, 67148817, 156680573, 470041719, 962466377, 2887399131, 6737264639, 20211793917]

約数ペア:

[(1, 20211793917), (3, 6737264639), (7, 2887399131), (21, 962466377), (43, 470041719), (129, 156680573), (301, 67148817), (903, 22382939), (2843, 7109319), (7873, 2567229), (8529, 2369773), (19901, 1015617), (23619, 855743), (55111, 366747), (59703, 338539), (122249, 165333)]