21782644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 44600976

約数和(自身を除く): 22818332

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 601, 697, 884, 1066, 1202, 1394, 2132, 2404, 2788, 7813, 9061, 10217, 15626, 18122, 20434, 24641, 31252, 36244, 40868, 49282, 98564, 132821, 265642, 320333, 418897, 531284, 640666, 837794, 1281332, 1675588, 5445661, 10891322, 21782644]

約数ペア:

[(1, 21782644), (2, 10891322), (4, 5445661), (13, 1675588), (17, 1281332), (26, 837794), (34, 640666), (41, 531284), (52, 418897), (68, 320333), (82, 265642), (164, 132821), (221, 98564), (442, 49282), (533, 40868), (601, 36244), (697, 31252), (884, 24641), (1066, 20434), (1202, 18122), (1394, 15626), (2132, 10217), (2404, 9061), (2788, 7813)]