21599180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63527}}^1$

素因数の和:63553

約数の個数: 24

約数和(自身を含む): 48027168

約数和(自身を除く): 26427988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 63527, 127054, 254108, 317635, 635270, 1079959, 1270540, 2159918, 4319836, 5399795, 10799590, 21599180]

約数ペア:

[(1, 21599180), (2, 10799590), (4, 5399795), (5, 4319836), (10, 2159918), (17, 1270540), (20, 1079959), (34, 635270), (68, 317635), (85, 254108), (170, 127054), (340, 63527)]