2116786371

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5305229}}^1$

素因数の和:5305258

約数の個数: 16

約数和(自身を含む): 3395347200

約数和(自身を除く): 1278560829

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5305229, 15915687, 37136603, 100799351, 111409809, 302398053, 705595457, 2116786371]

約数ペア:

[(1, 2116786371), (3, 705595457), (7, 302398053), (19, 111409809), (21, 100799351), (57, 37136603), (133, 15915687), (399, 5305229)]