21966525

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4649}}^1$

素因数の和:4675

約数の個数: 48

約数和(自身を含む): 46128000

約数和(自身を除く): 24161475

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4649, 4725, 13947, 23245, 32543, 41841, 69735, 97629, 116225, 125523, 162715, 209205, 292887, 348675, 488145, 627615, 813575, 878661, 1046025, 1464435, 2440725, 3138075, 4393305, 7322175, 21966525]

約数ペア:

[(1, 21966525), (3, 7322175), (5, 4393305), (7, 3138075), (9, 2440725), (15, 1464435), (21, 1046025), (25, 878661), (27, 813575), (35, 627615), (45, 488145), (63, 348675), (75, 292887), (105, 209205), (135, 162715), (175, 125523), (189, 116225), (225, 97629), (315, 69735), (525, 41841), (675, 32543), (945, 23245), (1575, 13947), (4649, 4725)]