2171415

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 3675888

約数和(自身を除く): 1504473

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 401, 1083, 1203, 1805, 2005, 5415, 6015, 7619, 22857, 38095, 114285, 144761, 434283, 723805, 2171415]

約数ペア:

[(1, 2171415), (3, 723805), (5, 434283), (15, 144761), (19, 114285), (57, 38095), (95, 22857), (285, 7619), (361, 6015), (401, 5415), (1083, 2005), (1203, 1805)]