2021271812

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 4330609920

約数和(自身を除く): 2309338108

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 67, 106, 116, 134, 203, 212, 268, 371, 406, 469, 701, 742, 812, 938, 1402, 1484, 1537, 1876, 1943, 2804, 3074, 3551, 3886, 4907, 6148, 7102, 7772, 9814, 10759, 13601, 14204, 19628, 20329, 21518, 24857, 27202, 37153, 40658, 43036, 46967, 49714, 54404, 74306, 81316, 93934, 99428, 102979, 142303, 148612, 187868, 205958, 260071, 284606, 328769, 411916, 520142, 569212, 657538, 720853, 1040284, 1077437, 1315076, 1362043, 1441706, 2154874, 2489251, 2724086, 2883412, 4309748, 4978502, 5448172, 7542059, 9534301, 9957004, 15084118, 17424757, 19068602, 30168236, 34849514, 38137204, 69699028, 72188279, 144376558, 288753116, 505317953, 1010635906, 2021271812]

約数ペア:

[(1, 2021271812), (2, 1010635906), (4, 505317953), (7, 288753116), (14, 144376558), (28, 72188279), (29, 69699028), (53, 38137204), (58, 34849514), (67, 30168236), (106, 19068602), (116, 17424757), (134, 15084118), (203, 9957004), (212, 9534301), (268, 7542059), (371, 5448172), (406, 4978502), (469, 4309748), (701, 2883412), (742, 2724086), (812, 2489251), (938, 2154874), (1402, 1441706), (1484, 1362043), (1537, 1315076), (1876, 1077437), (1943, 1040284), (2804, 720853), (3074, 657538), (3551, 569212), (3886, 520142), (4907, 411916), (6148, 328769), (7102, 284606), (7772, 260071), (9814, 205958), (10759, 187868), (13601, 148612), (14204, 142303), (19628, 102979), (20329, 99428), (21518, 93934), (24857, 81316), (27202, 74306), (37153, 54404), (40658, 49714), (43036, 46967)]