21236060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62459}}^1$

素因数の和:62485

約数の個数: 24

約数和(自身を含む): 47219760

約数和(自身を除く): 25983700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 62459, 124918, 249836, 312295, 624590, 1061803, 1249180, 2123606, 4247212, 5309015, 10618030, 21236060]

約数ペア:

[(1, 21236060), (2, 10618030), (4, 5309015), (5, 4247212), (10, 2123606), (17, 1249180), (20, 1061803), (34, 624590), (68, 312295), (85, 249836), (170, 124918), (340, 62459)]