21408024

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 59149440

約数和(自身を除く): 37741416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 83, 88, 132, 166, 249, 264, 332, 498, 664, 913, 977, 996, 1826, 1954, 1992, 2739, 2931, 3652, 3908, 5478, 5862, 7304, 7816, 10747, 10956, 11724, 21494, 21912, 23448, 32241, 42988, 64482, 81091, 85976, 128964, 162182, 243273, 257928, 324364, 486546, 648728, 892001, 973092, 1784002, 1946184, 2676003, 3568004, 5352006, 7136008, 10704012, 21408024]

約数ペア:

[(1, 21408024), (2, 10704012), (3, 7136008), (4, 5352006), (6, 3568004), (8, 2676003), (11, 1946184), (12, 1784002), (22, 973092), (24, 892001), (33, 648728), (44, 486546), (66, 324364), (83, 257928), (88, 243273), (132, 162182), (166, 128964), (249, 85976), (264, 81091), (332, 64482), (498, 42988), (664, 32241), (913, 23448), (977, 21912), (996, 21494), (1826, 11724), (1954, 10956), (1992, 10747), (2739, 7816), (2931, 7304), (3652, 5862), (3908, 5478)]