21343872

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 64235520

約数和(自身を除く): 42891648

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 163, 176, 186, 192, 248, 264, 326, 341, 352, 372, 384, 489, 496, 528, 652, 682, 704, 744, 978, 992, 1023, 1056, 1304, 1364, 1408, 1488, 1793, 1956, 1984, 2046, 2112, 2608, 2728, 2976, 3586, 3912, 3968, 4092, 4224, 5053, 5216, 5379, 5456, 5952, 7172, 7824, 8184, 10106, 10432, 10758, 10912, 11904, 14344, 15159, 15648, 16368, 20212, 20864, 21516, 21824, 28688, 30318, 31296, 32736, 40424, 43032, 43648, 55583, 57376, 60636, 62592, 65472, 80848, 86064, 111166, 114752, 121272, 130944, 161696, 166749, 172128, 222332, 229504, 242544, 323392, 333498, 344256, 444664, 485088, 646784, 666996, 688512, 889328, 970176, 1333992, 1778656, 1940352, 2667984, 3557312, 5335968, 7114624, 10671936, 21343872]

約数ペア:

[(1, 21343872), (2, 10671936), (3, 7114624), (4, 5335968), (6, 3557312), (8, 2667984), (11, 1940352), (12, 1778656), (16, 1333992), (22, 970176), (24, 889328), (31, 688512), (32, 666996), (33, 646784), (44, 485088), (48, 444664), (62, 344256), (64, 333498), (66, 323392), (88, 242544), (93, 229504), (96, 222332), (124, 172128), (128, 166749), (132, 161696), (163, 130944), (176, 121272), (186, 114752), (192, 111166), (248, 86064), (264, 80848), (326, 65472), (341, 62592), (352, 60636), (372, 57376), (384, 55583), (489, 43648), (496, 43032), (528, 40424), (652, 32736), (682, 31296), (704, 30318), (744, 28688), (978, 21824), (992, 21516), (1023, 20864), (1056, 20212), (1304, 16368), (1364, 15648), (1408, 15159), (1488, 14344), (1793, 11904), (1956, 10912), (1984, 10758), (2046, 10432), (2112, 10106), (2608, 8184), (2728, 7824), (2976, 7172), (3586, 5952), (3912, 5456), (3968, 5379), (4092, 5216), (4224, 5053)]