21804183

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 34194888

約数和(自身を除く): 12390705

約数列:

[1, 3, 9, 17, 51, 83, 101, 153, 249, 289, 303, 747, 867, 909, 1411, 1717, 2601, 4233, 5151, 8383, 12699, 15453, 23987, 25149, 29189, 71961, 75447, 87567, 142511, 215883, 262701, 427533, 1282599, 2422687, 7268061, 21804183]

約数ペア:

[(1, 21804183), (3, 7268061), (9, 2422687), (17, 1282599), (51, 427533), (83, 262701), (101, 215883), (153, 142511), (249, 87567), (289, 75447), (303, 71961), (747, 29189), (867, 25149), (909, 23987), (1411, 15453), (1717, 12699), (2601, 8383), (4233, 5151)]