21760365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3067}}^1$

素因数の和:3129

約数の個数: 32

約数和(自身を含む): 38877696

約数和(自身を除く): 17117331

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 3067, 7095, 9201, 15335, 33737, 46005, 101211, 131881, 168685, 395643, 506055, 659405, 1450691, 1978215, 4352073, 7253455, 21760365]

約数ペア:

[(1, 21760365), (3, 7253455), (5, 4352073), (11, 1978215), (15, 1450691), (33, 659405), (43, 506055), (55, 395643), (129, 168685), (165, 131881), (215, 101211), (473, 46005), (645, 33737), (1419, 15335), (2365, 9201), (3067, 7095)]