221263812

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 240

約数和(自身を含む): 739939200

約数和(自身を除く): 518675388

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 81, 84, 98, 99, 108, 126, 132, 147, 154, 162, 181, 189, 196, 198, 231, 252, 294, 297, 308, 324, 343, 362, 378, 396, 441, 462, 539, 543, 567, 588, 594, 686, 693, 724, 756, 882, 891, 924, 1029, 1078, 1086, 1134, 1188, 1267, 1323, 1372, 1386, 1617, 1629, 1764, 1782, 1991, 2058, 2079, 2156, 2172, 2268, 2534, 2646, 2772, 3087, 3234, 3258, 3564, 3773, 3801, 3969, 3982, 4116, 4158, 4851, 4887, 5068, 5292, 5973, 6174, 6237, 6468, 6516, 7546, 7602, 7938, 7964, 8316, 8869, 9261, 9702, 9774, 11319, 11403, 11946, 12348, 12474, 13937, 14553, 14661, 15092, 15204, 15876, 17738, 17919, 18522, 19404, 19548, 22638, 22806, 23892, 24948, 26607, 27783, 27874, 29106, 29322, 33957, 34209, 35476, 35838, 37044, 41811, 43659, 45276, 45612, 53214, 53757, 55566, 55748, 58212, 58644, 62083, 67914, 68418, 71676, 79821, 83622, 87318, 97559, 101871, 102627, 106428, 107514, 111132, 124166, 125433, 135828, 136836, 159642, 161271, 167244, 174636, 186249, 195118, 203742, 205254, 215028, 239463, 248332, 250866, 292677, 305613, 319284, 322542, 372498, 376299, 390236, 407484, 410508, 478926, 501732, 558747, 585354, 611226, 645084, 682913, 718389, 744996, 752598, 878031, 957852, 1117494, 1128897, 1170708, 1222452, 1365826, 1436778, 1505196, 1676241, 1756062, 2048739, 2234988, 2257794, 2634093, 2731652, 2873556, 3352482, 3512124, 4097478, 4515588, 5028723, 5268186, 6146217, 6704964, 7902279, 8194956, 10057446, 10536372, 12292434, 15804558, 18438651, 20114892, 24584868, 31609116, 36877302, 55315953, 73754604, 110631906, 221263812]

約数ペア:

[(1, 221263812), (2, 110631906), (3, 73754604), (4, 55315953), (6, 36877302), (7, 31609116), (9, 24584868), (11, 20114892), (12, 18438651), (14, 15804558), (18, 12292434), (21, 10536372), (22, 10057446), (27, 8194956), (28, 7902279), (33, 6704964), (36, 6146217), (42, 5268186), (44, 5028723), (49, 4515588), (54, 4097478), (63, 3512124), (66, 3352482), (77, 2873556), (81, 2731652), (84, 2634093), (98, 2257794), (99, 2234988), (108, 2048739), (126, 1756062), (132, 1676241), (147, 1505196), (154, 1436778), (162, 1365826), (181, 1222452), (189, 1170708), (196, 1128897), (198, 1117494), (231, 957852), (252, 878031), (294, 752598), (297, 744996), (308, 718389), (324, 682913), (343, 645084), (362, 611226), (378, 585354), (396, 558747), (441, 501732), (462, 478926), (539, 410508), (543, 407484), (567, 390236), (588, 376299), (594, 372498), (686, 322542), (693, 319284), (724, 305613), (756, 292677), (882, 250866), (891, 248332), (924, 239463), (1029, 215028), (1078, 205254), (1086, 203742), (1134, 195118), (1188, 186249), (1267, 174636), (1323, 167244), (1372, 161271), (1386, 159642), (1617, 136836), (1629, 135828), (1764, 125433), (1782, 124166), (1991, 111132), (2058, 107514), (2079, 106428), (2156, 102627), (2172, 101871), (2268, 97559), (2534, 87318), (2646, 83622), (2772, 79821), (3087, 71676), (3234, 68418), (3258, 67914), (3564, 62083), (3773, 58644), (3801, 58212), (3969, 55748), (3982, 55566), (4116, 53757), (4158, 53214), (4851, 45612), (4887, 45276), (5068, 43659), (5292, 41811), (5973, 37044), (6174, 35838), (6237, 35476), (6468, 34209), (6516, 33957), (7546, 29322), (7602, 29106), (7938, 27874), (7964, 27783), (8316, 26607), (8869, 24948), (9261, 23892), (9702, 22806), (9774, 22638), (11319, 19548), (11403, 19404), (11946, 18522), (12348, 17919), (12474, 17738), (13937, 15876), (14553, 15204), (14661, 15092)]