21849565521

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 34351349760

約数和(自身を除く): 12501784239

約数列:

[1, 3, 7, 21, 59, 127, 177, 191, 381, 413, 573, 727, 889, 1239, 1337, 2181, 2667, 4011, 5089, 7493, 11269, 15267, 22479, 24257, 33807, 42893, 52451, 72771, 78883, 92329, 128679, 138857, 157353, 169799, 236649, 276987, 300251, 416571, 509397, 646303, 900753, 971999, 1431163, 1938909, 2915997, 4293489, 5447411, 8192563, 10018141, 16342233, 17634839, 24577689, 30054423, 38131877, 52904517, 57347941, 114395631, 123443873, 172043823, 370331619, 1040455501, 3121366503, 7283188507, 21849565521]

約数ペア:

[(1, 21849565521), (3, 7283188507), (7, 3121366503), (21, 1040455501), (59, 370331619), (127, 172043823), (177, 123443873), (191, 114395631), (381, 57347941), (413, 52904517), (573, 38131877), (727, 30054423), (889, 24577689), (1239, 17634839), (1337, 16342233), (2181, 10018141), (2667, 8192563), (4011, 5447411), (5089, 4293489), (7493, 2915997), (11269, 1938909), (15267, 1431163), (22479, 971999), (24257, 900753), (33807, 646303), (42893, 509397), (52451, 416571), (72771, 300251), (78883, 276987), (92329, 236649), (128679, 169799), (138857, 157353)]