21494330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15031}}^1$

素因数の和:15062

約数の個数: 32

約数和(自身を含む): 45456768

約数和(自身を除く): 23962438

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15031, 30062, 75155, 150310, 165341, 195403, 330682, 390806, 826705, 977015, 1653410, 1954030, 2149433, 4298866, 10747165, 21494330]

約数ペア:

[(1, 21494330), (2, 10747165), (5, 4298866), (10, 2149433), (11, 1954030), (13, 1653410), (22, 977015), (26, 826705), (55, 390806), (65, 330682), (110, 195403), (130, 165341), (143, 150310), (286, 75155), (715, 30062), (1430, 15031)]