21672222

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 53758080

約数和(自身を除く): 32085858

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 29, 33, 39, 58, 66, 67, 78, 87, 134, 143, 169, 174, 201, 286, 319, 338, 377, 402, 429, 507, 638, 737, 754, 858, 871, 957, 1014, 1131, 1474, 1742, 1859, 1914, 1943, 2211, 2262, 2613, 3718, 3886, 4147, 4422, 4901, 5226, 5577, 5829, 8294, 9581, 9802, 11154, 11323, 11658, 12441, 14703, 19162, 21373, 22646, 24882, 25259, 28743, 29406, 33969, 42746, 50518, 53911, 57486, 64119, 67938, 75777, 107822, 124553, 128238, 151554, 161733, 249106, 277849, 323466, 328367, 373659, 555698, 656734, 747318, 833547, 985101, 1667094, 1970202, 3612037, 7224074, 10836111, 21672222]

約数ペア:

[(1, 21672222), (2, 10836111), (3, 7224074), (6, 3612037), (11, 1970202), (13, 1667094), (22, 985101), (26, 833547), (29, 747318), (33, 656734), (39, 555698), (58, 373659), (66, 328367), (67, 323466), (78, 277849), (87, 249106), (134, 161733), (143, 151554), (169, 128238), (174, 124553), (201, 107822), (286, 75777), (319, 67938), (338, 64119), (377, 57486), (402, 53911), (429, 50518), (507, 42746), (638, 33969), (737, 29406), (754, 28743), (858, 25259), (871, 24882), (957, 22646), (1014, 21373), (1131, 19162), (1474, 14703), (1742, 12441), (1859, 11658), (1914, 11323), (1943, 11154), (2211, 9802), (2262, 9581), (2613, 8294), (3718, 5829), (3886, 5577), (4147, 5226), (4422, 4901)]