21536690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16193}}^1$

素因数の和:16226

約数の個数: 32

約数和(自身を含む): 46638720

約数和(自身を除く): 25102030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16193, 32386, 80965, 113351, 161930, 226702, 307667, 566755, 615334, 1133510, 1538335, 2153669, 3076670, 4307338, 10768345, 21536690]

約数ペア:

[(1, 21536690), (2, 10768345), (5, 4307338), (7, 3076670), (10, 2153669), (14, 1538335), (19, 1133510), (35, 615334), (38, 566755), (70, 307667), (95, 226702), (133, 161930), (190, 113351), (266, 80965), (665, 32386), (1330, 16193)]