21323890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16033}}^1$

素因数の和:16066

約数の個数: 32

約数和(自身を含む): 46177920

約数和(自身を除く): 24854030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16033, 32066, 80165, 112231, 160330, 224462, 304627, 561155, 609254, 1122310, 1523135, 2132389, 3046270, 4264778, 10661945, 21323890]

約数ペア:

[(1, 21323890), (2, 10661945), (5, 4264778), (7, 3046270), (10, 2132389), (14, 1523135), (19, 1122310), (35, 609254), (38, 561155), (70, 304627), (95, 224462), (133, 160330), (190, 112231), (266, 80165), (665, 32066), (1330, 16033)]