21222018

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 27839358

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 223, 306, 311, 446, 622, 669, 933, 1338, 1866, 2007, 2799, 3791, 4014, 5287, 5598, 7582, 10574, 11373, 15861, 22746, 31722, 34119, 47583, 68238, 69353, 95166, 138706, 208059, 416118, 624177, 1179001, 1248354, 2358002, 3537003, 7074006, 10611009, 21222018]

約数ペア:

[(1, 21222018), (2, 10611009), (3, 7074006), (6, 3537003), (9, 2358002), (17, 1248354), (18, 1179001), (34, 624177), (51, 416118), (102, 208059), (153, 138706), (223, 95166), (306, 69353), (311, 68238), (446, 47583), (622, 34119), (669, 31722), (933, 22746), (1338, 15861), (1866, 11373), (2007, 10574), (2799, 7582), (3791, 5598), (4014, 5287)]