21022512

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 46830288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 37, 38, 42, 48, 56, 57, 74, 76, 84, 89, 111, 112, 114, 133, 148, 152, 168, 178, 222, 228, 259, 266, 267, 296, 304, 336, 356, 399, 444, 456, 518, 532, 534, 592, 623, 703, 712, 777, 798, 888, 912, 1036, 1064, 1068, 1246, 1406, 1424, 1554, 1596, 1691, 1776, 1869, 2072, 2109, 2128, 2136, 2492, 2812, 3108, 3192, 3293, 3382, 3738, 4144, 4218, 4272, 4921, 4984, 5073, 5624, 6216, 6384, 6586, 6764, 7476, 8436, 9842, 9879, 9968, 10146, 11248, 11837, 12432, 13172, 13528, 14763, 14952, 16872, 19684, 19758, 20292, 23051, 23674, 26344, 27056, 29526, 29904, 33744, 35511, 39368, 39516, 40584, 46102, 47348, 52688, 59052, 62567, 69153, 71022, 78736, 79032, 81168, 92204, 94696, 118104, 125134, 138306, 142044, 158064, 184408, 187701, 189392, 236208, 250268, 276612, 284088, 368816, 375402, 437969, 500536, 553224, 568176, 750804, 875938, 1001072, 1106448, 1313907, 1501608, 1751876, 2627814, 3003216, 3503752, 5255628, 7007504, 10511256, 21022512]

約数ペア:

[(1, 21022512), (2, 10511256), (3, 7007504), (4, 5255628), (6, 3503752), (7, 3003216), (8, 2627814), (12, 1751876), (14, 1501608), (16, 1313907), (19, 1106448), (21, 1001072), (24, 875938), (28, 750804), (37, 568176), (38, 553224), (42, 500536), (48, 437969), (56, 375402), (57, 368816), (74, 284088), (76, 276612), (84, 250268), (89, 236208), (111, 189392), (112, 187701), (114, 184408), (133, 158064), (148, 142044), (152, 138306), (168, 125134), (178, 118104), (222, 94696), (228, 92204), (259, 81168), (266, 79032), (267, 78736), (296, 71022), (304, 69153), (336, 62567), (356, 59052), (399, 52688), (444, 47348), (456, 46102), (518, 40584), (532, 39516), (534, 39368), (592, 35511), (623, 33744), (703, 29904), (712, 29526), (777, 27056), (798, 26344), (888, 23674), (912, 23051), (1036, 20292), (1064, 19758), (1068, 19684), (1246, 16872), (1406, 14952), (1424, 14763), (1554, 13528), (1596, 13172), (1691, 12432), (1776, 11837), (1869, 11248), (2072, 10146), (2109, 9968), (2128, 9879), (2136, 9842), (2492, 8436), (2812, 7476), (3108, 6764), (3192, 6586), (3293, 6384), (3382, 6216), (3738, 5624), (4144, 5073), (4218, 4984), (4272, 4921)]