21621894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4723}}^1$

素因数の和:4844

約数の個数: 32

約数和(自身を含む): 49885440

約数和(自身を除く): 28263546

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 4723, 9446, 14169, 28338, 33061, 66122, 99183, 198366, 514807, 1029614, 1544421, 3088842, 3603649, 7207298, 10810947, 21621894]

約数ペア:

[(1, 21621894), (2, 10810947), (3, 7207298), (6, 3603649), (7, 3088842), (14, 1544421), (21, 1029614), (42, 514807), (109, 198366), (218, 99183), (327, 66122), (654, 33061), (763, 28338), (1526, 14169), (2289, 9446), (4578, 4723)]