21000886218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89747377}}^1$

素因数の和:89747398

約数の個数: 24

約数和(自身を含む): 49002068388

約数和(自身を除く): 28001182170

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89747377, 179494754, 269242131, 538484262, 807726393, 1166715901, 1615452786, 2333431802, 3500147703, 7000295406, 10500443109, 21000886218]

約数ペア:

[(1, 21000886218), (2, 10500443109), (3, 7000295406), (6, 3500147703), (9, 2333431802), (13, 1615452786), (18, 1166715901), (26, 807726393), (39, 538484262), (78, 269242131), (117, 179494754), (234, 89747377)]