21376278

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39587562

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 53, 54, 63, 66, 77, 97, 99, 106, 126, 154, 159, 189, 194, 198, 231, 291, 297, 318, 371, 378, 462, 477, 582, 583, 594, 679, 693, 742, 873, 954, 1067, 1113, 1166, 1358, 1386, 1431, 1746, 1749, 2037, 2079, 2134, 2226, 2619, 2862, 3201, 3339, 3498, 4074, 4081, 4158, 5141, 5238, 5247, 6111, 6402, 6678, 7469, 8162, 9603, 10017, 10282, 10494, 12222, 12243, 14938, 15423, 15741, 18333, 19206, 20034, 22407, 24486, 28809, 30846, 31482, 35987, 36666, 36729, 44814, 46269, 56551, 57618, 67221, 71974, 73458, 92538, 107961, 110187, 113102, 134442, 138807, 169653, 201663, 215922, 220374, 277614, 323883, 339306, 395857, 403326, 508959, 647766, 791714, 971649, 1017918, 1187571, 1526877, 1943298, 2375142, 3053754, 3562713, 7125426, 10688139, 21376278]

約数ペア:

[(1, 21376278), (2, 10688139), (3, 7125426), (6, 3562713), (7, 3053754), (9, 2375142), (11, 1943298), (14, 1526877), (18, 1187571), (21, 1017918), (22, 971649), (27, 791714), (33, 647766), (42, 508959), (53, 403326), (54, 395857), (63, 339306), (66, 323883), (77, 277614), (97, 220374), (99, 215922), (106, 201663), (126, 169653), (154, 138807), (159, 134442), (189, 113102), (194, 110187), (198, 107961), (231, 92538), (291, 73458), (297, 71974), (318, 67221), (371, 57618), (378, 56551), (462, 46269), (477, 44814), (582, 36729), (583, 36666), (594, 35987), (679, 31482), (693, 30846), (742, 28809), (873, 24486), (954, 22407), (1067, 20034), (1113, 19206), (1166, 18333), (1358, 15741), (1386, 15423), (1431, 14938), (1746, 12243), (1749, 12222), (2037, 10494), (2079, 10282), (2134, 10017), (2226, 9603), (2619, 8162), (2862, 7469), (3201, 6678), (3339, 6402), (3498, 6111), (4074, 5247), (4081, 5238), (4158, 5141)]