21284096

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1258

約数の個数: 36

約数和(自身を含む): 43120224

約数和(自身を除く): 21836128

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 568, 1136, 1171, 2272, 2342, 4544, 4684, 9088, 9368, 18176, 18736, 37472, 74944, 83141, 149888, 166282, 299776, 332564, 665128, 1330256, 2660512, 5321024, 10642048, 21284096]

約数ペア:

[(1, 21284096), (2, 10642048), (4, 5321024), (8, 2660512), (16, 1330256), (32, 665128), (64, 332564), (71, 299776), (128, 166282), (142, 149888), (256, 83141), (284, 74944), (568, 37472), (1136, 18736), (1171, 18176), (2272, 9368), (2342, 9088), (4544, 4684)]