21012516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83383}}^1$

素因数の和:83400

約数の個数: 36

約数和(自身を含む): 60703552

約数和(自身を除く): 39691036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83383, 166766, 250149, 333532, 500298, 583681, 750447, 1000596, 1167362, 1500894, 1751043, 2334724, 3001788, 3502086, 5253129, 7004172, 10506258, 21012516]

約数ペア:

[(1, 21012516), (2, 10506258), (3, 7004172), (4, 5253129), (6, 3502086), (7, 3001788), (9, 2334724), (12, 1751043), (14, 1500894), (18, 1167362), (21, 1000596), (28, 750447), (36, 583681), (42, 500298), (63, 333532), (84, 250149), (126, 166766), (252, 83383)]