21709754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 15412870

約数列:

[1, 2, 11, 22, 43, 53, 86, 106, 433, 473, 583, 866, 946, 1166, 2279, 4558, 4763, 9526, 18619, 22949, 25069, 37238, 45898, 50138, 204809, 252439, 409618, 504878, 986807, 1973614, 10854877, 21709754]

約数ペア:

[(1, 21709754), (2, 10854877), (11, 1973614), (22, 986807), (43, 504878), (53, 409618), (86, 252439), (106, 204809), (433, 50138), (473, 45898), (583, 37238), (866, 25069), (946, 22949), (1166, 18619), (2279, 9526), (4558, 4763)]