21603912

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 42332088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 59, 66, 73, 76, 88, 114, 118, 132, 146, 152, 177, 209, 219, 228, 236, 264, 292, 354, 418, 438, 456, 472, 584, 627, 649, 708, 803, 836, 876, 1121, 1254, 1298, 1387, 1416, 1606, 1672, 1752, 1947, 2242, 2409, 2508, 2596, 2774, 3212, 3363, 3894, 4161, 4307, 4484, 4818, 5016, 5192, 5548, 6424, 6726, 7788, 8322, 8614, 8968, 9636, 11096, 12331, 12921, 13452, 15257, 15576, 16644, 17228, 19272, 24662, 25842, 26904, 30514, 33288, 34456, 36993, 45771, 47377, 49324, 51684, 61028, 73986, 81833, 91542, 94754, 98648, 103368, 122056, 142131, 147972, 163666, 183084, 189508, 245499, 284262, 295944, 327332, 366168, 379016, 490998, 568524, 654664, 900163, 981996, 1137048, 1800326, 1963992, 2700489, 3600652, 5400978, 7201304, 10801956, 21603912]

約数ペア:

[(1, 21603912), (2, 10801956), (3, 7201304), (4, 5400978), (6, 3600652), (8, 2700489), (11, 1963992), (12, 1800326), (19, 1137048), (22, 981996), (24, 900163), (33, 654664), (38, 568524), (44, 490998), (57, 379016), (59, 366168), (66, 327332), (73, 295944), (76, 284262), (88, 245499), (114, 189508), (118, 183084), (132, 163666), (146, 147972), (152, 142131), (177, 122056), (209, 103368), (219, 98648), (228, 94754), (236, 91542), (264, 81833), (292, 73986), (354, 61028), (418, 51684), (438, 49324), (456, 47377), (472, 45771), (584, 36993), (627, 34456), (649, 33288), (708, 30514), (803, 26904), (836, 25842), (876, 24662), (1121, 19272), (1254, 17228), (1298, 16644), (1387, 15576), (1416, 15257), (1606, 13452), (1672, 12921), (1752, 12331), (1947, 11096), (2242, 9636), (2409, 8968), (2508, 8614), (2596, 8322), (2774, 7788), (3212, 6726), (3363, 6424), (3894, 5548), (4161, 5192), (4307, 5016), (4484, 4818)]