21193710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15031}}^1$

素因数の和:15088

約数の個数: 32

約数和(自身を含む): 51950592

約数和(自身を除く): 30756882

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15031, 30062, 45093, 75155, 90186, 150310, 225465, 450930, 706457, 1412914, 2119371, 3532285, 4238742, 7064570, 10596855, 21193710]

約数ペア:

[(1, 21193710), (2, 10596855), (3, 7064570), (5, 4238742), (6, 3532285), (10, 2119371), (15, 1412914), (30, 706457), (47, 450930), (94, 225465), (141, 150310), (235, 90186), (282, 75155), (470, 45093), (705, 30062), (1410, 15031)]