21280498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6197}}^1$

素因数の和:6317

約数の個数: 16

約数和(自身を含む): 34138584

約数和(自身を除く): 12858086

約数列:

[1, 2, 17, 34, 101, 202, 1717, 3434, 6197, 12394, 105349, 210698, 625897, 1251794, 10640249, 21280498]

約数ペア:

[(1, 21280498), (2, 10640249), (17, 1251794), (34, 625897), (101, 210698), (202, 105349), (1717, 12394), (3434, 6197)]