21003032

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 40414080

約数和(自身を除く): 19411048

約数列:

[1, 2, 4, 8, 61, 122, 193, 223, 244, 386, 446, 488, 772, 892, 1544, 1784, 11773, 13603, 23546, 27206, 43039, 47092, 54412, 86078, 94184, 108824, 172156, 344312, 2625379, 5250758, 10501516, 21003032]

約数ペア:

[(1, 21003032), (2, 10501516), (4, 5250758), (8, 2625379), (61, 344312), (122, 172156), (193, 108824), (223, 94184), (244, 86078), (386, 54412), (446, 47092), (488, 43039), (772, 27206), (892, 23546), (1544, 13603), (1784, 11773)]