21505722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3391}}^1$

素因数の和:3554

約数の個数: 32

約数和(自身を含む): 49496064

約数和(自身を除く): 27990342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 151, 302, 453, 906, 1057, 2114, 3171, 3391, 6342, 6782, 10173, 20346, 23737, 47474, 71211, 142422, 512041, 1024082, 1536123, 3072246, 3584287, 7168574, 10752861, 21505722]

約数ペア:

[(1, 21505722), (2, 10752861), (3, 7168574), (6, 3584287), (7, 3072246), (14, 1536123), (21, 1024082), (42, 512041), (151, 142422), (302, 71211), (453, 47474), (906, 23737), (1057, 20346), (2114, 10173), (3171, 6782), (3391, 6342)]