21264144

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 66852864

約数和(自身を除く): 45588720

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 23, 24, 33, 34, 44, 46, 48, 51, 66, 68, 69, 88, 92, 102, 103, 132, 136, 138, 176, 184, 187, 204, 206, 253, 264, 272, 276, 309, 368, 374, 391, 408, 412, 506, 528, 552, 561, 618, 748, 759, 782, 816, 824, 1012, 1104, 1122, 1133, 1173, 1236, 1496, 1518, 1564, 1648, 1751, 2024, 2244, 2266, 2346, 2369, 2472, 2992, 3036, 3128, 3399, 3502, 4048, 4301, 4488, 4532, 4692, 4738, 4944, 5253, 6072, 6256, 6798, 7004, 7107, 8602, 8976, 9064, 9384, 9476, 10506, 12144, 12903, 13596, 14008, 14214, 17204, 18128, 18768, 18952, 19261, 21012, 25806, 26059, 27192, 28016, 28428, 34408, 37904, 38522, 40273, 42024, 51612, 52118, 54384, 56856, 57783, 68816, 77044, 78177, 80546, 84048, 103224, 104236, 113712, 115566, 120819, 154088, 156354, 161092, 206448, 208472, 231132, 241638, 308176, 312708, 322184, 416944, 443003, 462264, 483276, 625416, 644368, 886006, 924528, 966552, 1250832, 1329009, 1772012, 1933104, 2658018, 3544024, 5316036, 7088048, 10632072, 21264144]

約数ペア:

[(1, 21264144), (2, 10632072), (3, 7088048), (4, 5316036), (6, 3544024), (8, 2658018), (11, 1933104), (12, 1772012), (16, 1329009), (17, 1250832), (22, 966552), (23, 924528), (24, 886006), (33, 644368), (34, 625416), (44, 483276), (46, 462264), (48, 443003), (51, 416944), (66, 322184), (68, 312708), (69, 308176), (88, 241638), (92, 231132), (102, 208472), (103, 206448), (132, 161092), (136, 156354), (138, 154088), (176, 120819), (184, 115566), (187, 113712), (204, 104236), (206, 103224), (253, 84048), (264, 80546), (272, 78177), (276, 77044), (309, 68816), (368, 57783), (374, 56856), (391, 54384), (408, 52118), (412, 51612), (506, 42024), (528, 40273), (552, 38522), (561, 37904), (618, 34408), (748, 28428), (759, 28016), (782, 27192), (816, 26059), (824, 25806), (1012, 21012), (1104, 19261), (1122, 18952), (1133, 18768), (1173, 18128), (1236, 17204), (1496, 14214), (1518, 14008), (1564, 13596), (1648, 12903), (1751, 12144), (2024, 10506), (2244, 9476), (2266, 9384), (2346, 9064), (2369, 8976), (2472, 8602), (2992, 7107), (3036, 7004), (3128, 6798), (3399, 6256), (3502, 6072), (4048, 5253), (4301, 4944), (4488, 4738), (4532, 4692)]