21173334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 55514880

約数和(自身を除く): 34341546

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 157, 169, 182, 247, 266, 273, 314, 338, 399, 471, 494, 507, 546, 741, 798, 942, 1014, 1099, 1183, 1482, 1729, 2041, 2198, 2366, 2983, 3211, 3297, 3458, 3549, 4082, 5187, 5966, 6123, 6422, 6594, 7098, 8949, 9633, 10374, 12246, 14287, 17898, 19266, 20881, 22477, 26533, 28574, 38779, 41762, 42861, 44954, 53066, 62643, 67431, 77558, 79599, 85722, 116337, 125286, 134862, 159198, 185731, 232674, 271453, 371462, 504127, 542906, 557193, 814359, 1008254, 1114386, 1512381, 1628718, 3024762, 3528889, 7057778, 10586667, 21173334]

約数ペア:

[(1, 21173334), (2, 10586667), (3, 7057778), (6, 3528889), (7, 3024762), (13, 1628718), (14, 1512381), (19, 1114386), (21, 1008254), (26, 814359), (38, 557193), (39, 542906), (42, 504127), (57, 371462), (78, 271453), (91, 232674), (114, 185731), (133, 159198), (157, 134862), (169, 125286), (182, 116337), (247, 85722), (266, 79599), (273, 77558), (314, 67431), (338, 62643), (399, 53066), (471, 44954), (494, 42861), (507, 41762), (546, 38779), (741, 28574), (798, 26533), (942, 22477), (1014, 20881), (1099, 19266), (1183, 17898), (1482, 14287), (1729, 12246), (2041, 10374), (2198, 9633), (2366, 8949), (2983, 7098), (3211, 6594), (3297, 6422), (3458, 6123), (3549, 5966), (4082, 5187)]