21278049404

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{653}}^1\times {\mathrm{45007}}^1$

素因数の和:45845

約数の個数: 24

約数和(自身を含む): 37500485568

約数和(自身を除く): 16222436164

約数列:

[1, 2, 4, 181, 362, 653, 724, 1306, 2612, 45007, 90014, 118193, 180028, 236386, 472772, 8146267, 16292534, 29389571, 32585068, 58779142, 117558284, 5319512351, 10639024702, 21278049404]

約数ペア:

[(1, 21278049404), (2, 10639024702), (4, 5319512351), (181, 117558284), (362, 58779142), (653, 32585068), (724, 29389571), (1306, 16292534), (2612, 8146267), (45007, 472772), (90014, 236386), (118193, 180028)]