21031147876

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{1951}}^1\times {\mathrm{44179}}^1$

素因数の和:46195

約数の個数: 24

約数和(自身を含む): 37427882240

約数和(自身を除く): 16396734364

約数列:

[1, 2, 4, 61, 122, 244, 1951, 3902, 7804, 44179, 88358, 119011, 176716, 238022, 476044, 2694919, 5389838, 10779676, 86193229, 172386458, 344772916, 5257786969, 10515573938, 21031147876]

約数ペア:

[(1, 21031147876), (2, 10515573938), (4, 5257786969), (61, 344772916), (122, 172386458), (244, 86193229), (1951, 10779676), (3902, 5389838), (7804, 2694919), (44179, 476044), (88358, 238022), (119011, 176716)]