21285222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{506791}}^1$

素因数の和:506803

約数の個数: 16

約数和(自身を含む): 48652032

約数和(自身を除く): 27366810

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 506791, 1013582, 1520373, 3040746, 3547537, 7095074, 10642611, 21285222]

約数ペア:

[(1, 21285222), (2, 10642611), (3, 7095074), (6, 3547537), (7, 3040746), (14, 1520373), (21, 1013582), (42, 506791)]