21941290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1021}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 45327744

約数和(自身を除く): 23386454

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1021, 1535, 2042, 2149, 3070, 4298, 5105, 7147, 10210, 10745, 14294, 21490, 35735, 71470, 313447, 626894, 1567235, 2194129, 3134470, 4388258, 10970645, 21941290]

約数ペア:

[(1, 21941290), (2, 10970645), (5, 4388258), (7, 3134470), (10, 2194129), (14, 1567235), (35, 626894), (70, 313447), (307, 71470), (614, 35735), (1021, 21490), (1535, 14294), (2042, 10745), (2149, 10210), (3070, 7147), (4298, 5105)]