21967239

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{5153}}^1$

素因数の和:5199

約数の個数: 24

約数和(自身を含む): 35253360

約数和(自身を除く): 13286121

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 5153, 15459, 36071, 108213, 149437, 252497, 448311, 757491, 1046059, 3138177, 7322413, 21967239]

約数ペア:

[(1, 21967239), (3, 7322413), (7, 3138177), (21, 1046059), (29, 757491), (49, 448311), (87, 252497), (147, 149437), (203, 108213), (609, 36071), (1421, 15459), (4263, 5153)]