21332688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2052

約数の個数: 80

約数和(自身を含む): 62870976

約数和(自身を除く): 41538288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 2011, 2652, 3536, 4022, 5304, 6033, 8044, 10608, 12066, 16088, 24132, 26143, 32176, 34187, 48264, 52286, 68374, 78429, 96528, 102561, 104572, 136748, 156858, 205122, 209144, 273496, 313716, 410244, 418288, 444431, 546992, 627432, 820488, 888862, 1254864, 1333293, 1640976, 1777724, 2666586, 3555448, 5333172, 7110896, 10666344, 21332688]

約数ペア:

[(1, 21332688), (2, 10666344), (3, 7110896), (4, 5333172), (6, 3555448), (8, 2666586), (12, 1777724), (13, 1640976), (16, 1333293), (17, 1254864), (24, 888862), (26, 820488), (34, 627432), (39, 546992), (48, 444431), (51, 418288), (52, 410244), (68, 313716), (78, 273496), (102, 209144), (104, 205122), (136, 156858), (156, 136748), (204, 104572), (208, 102561), (221, 96528), (272, 78429), (312, 68374), (408, 52286), (442, 48264), (624, 34187), (663, 32176), (816, 26143), (884, 24132), (1326, 16088), (1768, 12066), (2011, 10608), (2652, 8044), (3536, 6033), (4022, 5304)]