21159304890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705310163}}^1$

素因数の和:705310173

約数の個数: 16

約数和(自身を含む): 50782331808

約数和(自身を除く): 29623026918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705310163, 1410620326, 2115930489, 3526550815, 4231860978, 7053101630, 10579652445, 21159304890]

約数ペア:

[(1, 21159304890), (2, 10579652445), (3, 7053101630), (5, 4231860978), (6, 3526550815), (10, 2115930489), (15, 1410620326), (30, 705310163)]