21354074

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 20449702

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 47, 83, 94, 119, 161, 166, 238, 322, 329, 391, 581, 658, 782, 799, 1081, 1162, 1411, 1598, 1909, 2162, 2737, 2822, 3818, 3901, 5474, 5593, 7567, 7802, 9877, 11186, 13363, 15134, 18377, 19754, 26726, 27307, 32453, 36754, 54614, 64906, 66317, 89723, 128639, 132634, 179446, 227171, 257278, 454342, 464219, 628061, 928438, 1256122, 1525291, 3050582, 10677037, 21354074]

約数ペア:

[(1, 21354074), (2, 10677037), (7, 3050582), (14, 1525291), (17, 1256122), (23, 928438), (34, 628061), (46, 464219), (47, 454342), (83, 257278), (94, 227171), (119, 179446), (161, 132634), (166, 128639), (238, 89723), (322, 66317), (329, 64906), (391, 54614), (581, 36754), (658, 32453), (782, 27307), (799, 26726), (1081, 19754), (1162, 18377), (1411, 15134), (1598, 13363), (1909, 11186), (2162, 9877), (2737, 7802), (2822, 7567), (3818, 5593), (3901, 5474)]