21207432

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 35946168

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 59, 68, 102, 118, 136, 177, 204, 236, 354, 408, 472, 708, 881, 1003, 1416, 1762, 2006, 2643, 3009, 3524, 4012, 5286, 6018, 7048, 8024, 10572, 12036, 14977, 21144, 24072, 29954, 44931, 51979, 59908, 89862, 103958, 119816, 155937, 179724, 207916, 311874, 359448, 415832, 623748, 883643, 1247496, 1767286, 2650929, 3534572, 5301858, 7069144, 10603716, 21207432]

約数ペア:

[(1, 21207432), (2, 10603716), (3, 7069144), (4, 5301858), (6, 3534572), (8, 2650929), (12, 1767286), (17, 1247496), (24, 883643), (34, 623748), (51, 415832), (59, 359448), (68, 311874), (102, 207916), (118, 179724), (136, 155937), (177, 119816), (204, 103958), (236, 89862), (354, 59908), (408, 51979), (472, 44931), (708, 29954), (881, 24072), (1003, 21144), (1416, 14977), (1762, 12036), (2006, 10572), (2643, 8024), (3009, 7048), (3524, 6018), (4012, 5286)]