21118416

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 65138688

約数和(自身を除く): 44020272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 37, 44, 46, 47, 48, 66, 69, 74, 88, 92, 94, 111, 132, 138, 141, 148, 176, 184, 188, 222, 253, 264, 276, 282, 296, 368, 376, 407, 444, 506, 517, 528, 552, 564, 592, 752, 759, 814, 851, 888, 1012, 1034, 1081, 1104, 1128, 1221, 1518, 1551, 1628, 1702, 1739, 1776, 2024, 2068, 2162, 2256, 2442, 2553, 3036, 3102, 3243, 3256, 3404, 3478, 4048, 4136, 4324, 4884, 5106, 5217, 6072, 6204, 6486, 6512, 6808, 6956, 8272, 8648, 9361, 9768, 10212, 10434, 11891, 12144, 12408, 12972, 13616, 13912, 17296, 18722, 19129, 19536, 20424, 20868, 23782, 24816, 25944, 27824, 28083, 35673, 37444, 38258, 39997, 40848, 41736, 47564, 51888, 56166, 57387, 71346, 74888, 76516, 79994, 83472, 95128, 112332, 114774, 119991, 142692, 149776, 153032, 159988, 190256, 224664, 229548, 239982, 285384, 306064, 319976, 439967, 449328, 459096, 479964, 570768, 639952, 879934, 918192, 959928, 1319901, 1759868, 1919856, 2639802, 3519736, 5279604, 7039472, 10559208, 21118416]

約数ペア:

[(1, 21118416), (2, 10559208), (3, 7039472), (4, 5279604), (6, 3519736), (8, 2639802), (11, 1919856), (12, 1759868), (16, 1319901), (22, 959928), (23, 918192), (24, 879934), (33, 639952), (37, 570768), (44, 479964), (46, 459096), (47, 449328), (48, 439967), (66, 319976), (69, 306064), (74, 285384), (88, 239982), (92, 229548), (94, 224664), (111, 190256), (132, 159988), (138, 153032), (141, 149776), (148, 142692), (176, 119991), (184, 114774), (188, 112332), (222, 95128), (253, 83472), (264, 79994), (276, 76516), (282, 74888), (296, 71346), (368, 57387), (376, 56166), (407, 51888), (444, 47564), (506, 41736), (517, 40848), (528, 39997), (552, 38258), (564, 37444), (592, 35673), (752, 28083), (759, 27824), (814, 25944), (851, 24816), (888, 23782), (1012, 20868), (1034, 20424), (1081, 19536), (1104, 19129), (1128, 18722), (1221, 17296), (1518, 13912), (1551, 13616), (1628, 12972), (1702, 12408), (1739, 12144), (1776, 11891), (2024, 10434), (2068, 10212), (2162, 9768), (2256, 9361), (2442, 8648), (2553, 8272), (3036, 6956), (3102, 6808), (3243, 6512), (3256, 6486), (3404, 6204), (3478, 6072), (4048, 5217), (4136, 5106), (4324, 4884)]