21605470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6732

約数の個数: 32

約数和(自身を含む): 43351200

約数和(自身を除く): 21745730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6689, 13378, 33445, 66890, 113713, 127091, 227426, 254182, 568565, 635455, 1137130, 1270910, 2160547, 4321094, 10802735, 21605470]

約数ペア:

[(1, 21605470), (2, 10802735), (5, 4321094), (10, 2160547), (17, 1270910), (19, 1137130), (34, 635455), (38, 568565), (85, 254182), (95, 227426), (170, 127091), (190, 113713), (323, 66890), (646, 33445), (1615, 13378), (3230, 6689)]