21747670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44383}}^1$

素因数の和:44404

約数の個数: 24

約数和(自身を含む): 45537984

約数和(自身を除く): 23790314

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44383, 88766, 221915, 310681, 443830, 621362, 1553405, 2174767, 3106810, 4349534, 10873835, 21747670]

約数ペア:

[(1, 21747670), (2, 10873835), (5, 4349534), (7, 3106810), (10, 2174767), (14, 1553405), (35, 621362), (49, 443830), (70, 310681), (98, 221915), (245, 88766), (490, 44383)]