21442725

素因数分解:

$3^4\times 5^2\times {\mathrm{10589}}^1$

素因数の和:10611

約数の個数: 30

約数和(自身を含む): 39723090

約数和(自身を除く): 18280365

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10589, 31767, 52945, 95301, 158835, 264725, 285903, 476505, 794175, 857709, 1429515, 2382525, 4288545, 7147575, 21442725]

約数ペア:

[(1, 21442725), (3, 7147575), (5, 4288545), (9, 2382525), (15, 1429515), (25, 857709), (27, 794175), (45, 476505), (75, 285903), (81, 264725), (135, 158835), (225, 95301), (405, 52945), (675, 31767), (2025, 10589)]