21727395

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10273}}^1$

素因数の和:10331

約数の個数: 24

約数和(自身を含む): 38465856

約数和(自身を除く): 16738461

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 10273, 30819, 51365, 92457, 154095, 462285, 482831, 1448493, 2414155, 4345479, 7242465, 21727395]

約数ペア:

[(1, 21727395), (3, 7242465), (5, 4345479), (9, 2414155), (15, 1448493), (45, 482831), (47, 462285), (141, 154095), (235, 92457), (423, 51365), (705, 30819), (2115, 10273)]