21168330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15013}}^1$

素因数の和:15070

約数の個数: 32

約数和(自身を含む): 51888384

約数和(自身を除く): 30720054

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15013, 30026, 45039, 75065, 90078, 150130, 225195, 450390, 705611, 1411222, 2116833, 3528055, 4233666, 7056110, 10584165, 21168330]

約数ペア:

[(1, 21168330), (2, 10584165), (3, 7056110), (5, 4233666), (6, 3528055), (10, 2116833), (15, 1411222), (30, 705611), (47, 450390), (94, 225195), (141, 150130), (235, 90078), (282, 75065), (470, 45039), (705, 30026), (1410, 15013)]