21755608

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 52531200

約数和(自身を除く): 30775592

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 49, 56, 76, 92, 98, 127, 133, 152, 161, 184, 196, 254, 266, 322, 392, 437, 508, 532, 644, 874, 889, 931, 1016, 1064, 1127, 1288, 1748, 1778, 1862, 2254, 2413, 2921, 3059, 3496, 3556, 3724, 4508, 4826, 5842, 6118, 6223, 7112, 7448, 9016, 9652, 11684, 12236, 12446, 16891, 19304, 20447, 21413, 23368, 24472, 24892, 33782, 40894, 42826, 49784, 55499, 67564, 81788, 85652, 110998, 118237, 135128, 143129, 163576, 171304, 221996, 236474, 286258, 388493, 443992, 472948, 572516, 776986, 945896, 1145032, 1553972, 2719451, 3107944, 5438902, 10877804, 21755608]

約数ペア:

[(1, 21755608), (2, 10877804), (4, 5438902), (7, 3107944), (8, 2719451), (14, 1553972), (19, 1145032), (23, 945896), (28, 776986), (38, 572516), (46, 472948), (49, 443992), (56, 388493), (76, 286258), (92, 236474), (98, 221996), (127, 171304), (133, 163576), (152, 143129), (161, 135128), (184, 118237), (196, 110998), (254, 85652), (266, 81788), (322, 67564), (392, 55499), (437, 49784), (508, 42826), (532, 40894), (644, 33782), (874, 24892), (889, 24472), (931, 23368), (1016, 21413), (1064, 20447), (1127, 19304), (1288, 16891), (1748, 12446), (1778, 12236), (1862, 11684), (2254, 9652), (2413, 9016), (2921, 7448), (3059, 7112), (3496, 6223), (3556, 6118), (3724, 5842), (4508, 4826)]