21113955.000000000

素因数分解:

$2^1\times 3^5\times {\mathrm{267901}}^1$

素因数の和:267918

約数の個数: 24

約数和(自身を含む): 292548984

約数和(自身を除く): 162349098

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 267901, 535802, 803703, 1607406, 2411109, 4822218, 7233327, 14466654, 21699981, 43399962, 65099943, 130199886]

約数ペア:

[(1, 130199886), (2, 65099943), (3, 43399962), (6, 21699981), (9, 14466654), (18, 7233327), (27, 4822218), (54, 2411109), (81, 1607406), (162, 803703), (243, 535802), (486, 267901)]