21091630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7349}}^1$

素因数の和:7404

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 23361170

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7349, 14698, 36745, 51443, 73490, 102886, 257215, 301309, 514430, 602618, 1506545, 2109163, 3013090, 4218326, 10545815, 21091630]

約数ペア:

[(1, 21091630), (2, 10545815), (5, 4218326), (7, 3013090), (10, 2109163), (14, 1506545), (35, 602618), (41, 514430), (70, 301309), (82, 257215), (205, 102886), (287, 73490), (410, 51443), (574, 36745), (1435, 14698), (2870, 7349)]