21885597

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 33346560

約数和(自身を除く): 11460963

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 1669, 4371, 5007, 13113, 15021, 51739, 78443, 155217, 235329, 465651, 705987, 2431733, 7295199, 21885597]

約数ペア:

[(1, 21885597), (3, 7295199), (9, 2431733), (31, 705987), (47, 465651), (93, 235329), (141, 155217), (279, 78443), (423, 51739), (1457, 15021), (1669, 13113), (4371, 5007)]