21050255044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1562983}}^1$

素因数の和:1563044

約数の個数: 48

約数和(自身を含む): 46564419328

約数和(自身を除く): 25514164284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6734, 13468, 1562983, 3125966, 6251932, 10940881, 20318779, 21881762, 40637558, 43763524, 57830371, 81275116, 115660742, 142231453, 231321484, 284462906, 404812597, 568925812, 751794823, 809625194, 1503589646, 1619250388, 3007179292, 5262563761, 10525127522, 21050255044]

約数ペア:

[(1, 21050255044), (2, 10525127522), (4, 5262563761), (7, 3007179292), (13, 1619250388), (14, 1503589646), (26, 809625194), (28, 751794823), (37, 568925812), (52, 404812597), (74, 284462906), (91, 231321484), (148, 142231453), (182, 115660742), (259, 81275116), (364, 57830371), (481, 43763524), (518, 40637558), (962, 21881762), (1036, 20318779), (1924, 10940881), (3367, 6251932), (6734, 3125966), (13468, 1562983)]