21463728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 46031952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 53, 59, 66, 78, 88, 104, 106, 118, 132, 143, 156, 159, 176, 177, 208, 212, 236, 264, 286, 312, 318, 354, 424, 429, 472, 528, 572, 583, 624, 636, 649, 689, 708, 767, 848, 858, 944, 1144, 1166, 1272, 1298, 1378, 1416, 1534, 1716, 1749, 1947, 2067, 2288, 2301, 2332, 2544, 2596, 2756, 2832, 3068, 3127, 3432, 3498, 3894, 4134, 4602, 4664, 5192, 5512, 6136, 6254, 6864, 6996, 7579, 7788, 8268, 8437, 9204, 9328, 9381, 10384, 11024, 12272, 12508, 13992, 15158, 15576, 16536, 16874, 18408, 18762, 22737, 25016, 25311, 27984, 30316, 31152, 33072, 33748, 34397, 36816, 37524, 40651, 45474, 50032, 50622, 60632, 67496, 68794, 75048, 81302, 90948, 101244, 103191, 121264, 121953, 134992, 137588, 150096, 162604, 181896, 202488, 206382, 243906, 275176, 325208, 363792, 404976, 412764, 447161, 487812, 550352, 650416, 825528, 894322, 975624, 1341483, 1651056, 1788644, 1951248, 2682966, 3577288, 5365932, 7154576, 10731864, 21463728]

約数ペア:

[(1, 21463728), (2, 10731864), (3, 7154576), (4, 5365932), (6, 3577288), (8, 2682966), (11, 1951248), (12, 1788644), (13, 1651056), (16, 1341483), (22, 975624), (24, 894322), (26, 825528), (33, 650416), (39, 550352), (44, 487812), (48, 447161), (52, 412764), (53, 404976), (59, 363792), (66, 325208), (78, 275176), (88, 243906), (104, 206382), (106, 202488), (118, 181896), (132, 162604), (143, 150096), (156, 137588), (159, 134992), (176, 121953), (177, 121264), (208, 103191), (212, 101244), (236, 90948), (264, 81302), (286, 75048), (312, 68794), (318, 67496), (354, 60632), (424, 50622), (429, 50032), (472, 45474), (528, 40651), (572, 37524), (583, 36816), (624, 34397), (636, 33748), (649, 33072), (689, 31152), (708, 30316), (767, 27984), (848, 25311), (858, 25016), (944, 22737), (1144, 18762), (1166, 18408), (1272, 16874), (1298, 16536), (1378, 15576), (1416, 15158), (1534, 13992), (1716, 12508), (1749, 12272), (1947, 11024), (2067, 10384), (2288, 9381), (2301, 9328), (2332, 9204), (2544, 8437), (2596, 8268), (2756, 7788), (2832, 7579), (3068, 6996), (3127, 6864), (3432, 6254), (3498, 6136), (3894, 5512), (4134, 5192), (4602, 4664)]