21178110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705937}}^1$

素因数の和:705947

約数の個数: 16

約数和(自身を含む): 50827536

約数和(自身を除く): 29649426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705937, 1411874, 2117811, 3529685, 4235622, 7059370, 10589055, 21178110]

約数ペア:

[(1, 21178110), (2, 10589055), (3, 7059370), (5, 4235622), (6, 3529685), (10, 2117811), (15, 1411874), (30, 705937)]