21425814

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{70019}}^1$

素因数の和:70044

約数の個数: 24

約数和(自身を含む): 49154040

約数和(自身を除く): 27728226

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 70019, 140038, 210057, 420114, 630171, 1190323, 1260342, 2380646, 3570969, 7141938, 10712907, 21425814]

約数ペア:

[(1, 21425814), (2, 10712907), (3, 7141938), (6, 3570969), (9, 2380646), (17, 1260342), (18, 1190323), (34, 630171), (51, 420114), (102, 210057), (153, 140038), (306, 70019)]