21223098

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90697}}^1$

素因数の和:90718

約数の個数: 24

約数和(自身を含む): 49521108

約数和(自身を除く): 28298010

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90697, 181394, 272091, 544182, 816273, 1179061, 1632546, 2358122, 3537183, 7074366, 10611549, 21223098]

約数ペア:

[(1, 21223098), (2, 10611549), (3, 7074366), (6, 3537183), (9, 2358122), (13, 1632546), (18, 1179061), (26, 816273), (39, 544182), (78, 272091), (117, 181394), (234, 90697)]