21323485

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 27292320

約数和(自身を除く): 5968835

約数列:

[1, 5, 41, 43, 59, 205, 215, 295, 1681, 1763, 2419, 2537, 8405, 8815, 12095, 12685, 72283, 99179, 104017, 361415, 495895, 520085, 4264697, 21323485]

約数ペア:

[(1, 21323485), (5, 4264697), (41, 520085), (43, 495895), (59, 361415), (205, 104017), (215, 99179), (295, 72283), (1681, 12685), (1763, 12095), (2419, 8815), (2537, 8405)]