21907611

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4339}}^1$

素因数の和:4376

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 15589989

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4339, 5049, 13017, 39051, 47729, 73763, 117153, 143187, 221289, 429561, 663867, 811393, 1288683, 1991601, 2434179, 7302537, 21907611]

約数ペア:

[(1, 21907611), (3, 7302537), (9, 2434179), (11, 1991601), (17, 1288683), (27, 811393), (33, 663867), (51, 429561), (99, 221289), (153, 143187), (187, 117153), (297, 73763), (459, 47729), (561, 39051), (1683, 13017), (4339, 5049)]