21000882812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57694733}}^1$

素因数の和:57694757

約数の個数: 24

約数和(自身を含む): 45232671456

約数和(自身を除く): 24231788644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57694733, 115389466, 230778932, 403863131, 750031529, 807726262, 1500063058, 1615452524, 3000126116, 5250220703, 10500441406, 21000882812]

約数ペア:

[(1, 21000882812), (2, 10500441406), (4, 5250220703), (7, 3000126116), (13, 1615452524), (14, 1500063058), (26, 807726262), (28, 750031529), (52, 403863131), (91, 230778932), (182, 115389466), (364, 57694733)]