21075378

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 22314702

約数列:

[1, 2, 3, 6, 61, 89, 122, 178, 183, 267, 366, 534, 647, 1294, 1941, 3882, 5429, 10858, 16287, 32574, 39467, 57583, 78934, 115166, 118401, 172749, 236802, 345498, 3512563, 7025126, 10537689, 21075378]

約数ペア:

[(1, 21075378), (2, 10537689), (3, 7025126), (6, 3512563), (61, 345498), (89, 236802), (122, 172749), (178, 118401), (183, 115166), (267, 78934), (366, 57583), (534, 39467), (647, 32574), (1294, 16287), (1941, 10858), (3882, 5429)]