21957966

素因数分解:

$2^1\times 3^5\times {\mathrm{45181}}^1$

素因数の和:45198

約数の個数: 24

約数和(自身を含む): 49338744

約数和(自身を除く): 27380778

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 45181, 90362, 135543, 271086, 406629, 813258, 1219887, 2439774, 3659661, 7319322, 10978983, 21957966]

約数ペア:

[(1, 21957966), (2, 10978983), (3, 7319322), (6, 3659661), (9, 2439774), (18, 1219887), (27, 813258), (54, 406629), (81, 271086), (162, 135543), (243, 90362), (486, 45181)]