21616408736

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3997117}}^1$

素因数の和:3997153

約数の個数: 36

約数和(自身を含む): 46082773422

約数和(自身を除く): 24466364686

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 3997117, 7994234, 15988468, 31976936, 51962521, 63953872, 103925042, 127907744, 207850084, 415700168, 675512773, 831400336, 1351025546, 1662800672, 2702051092, 5404102184, 10808204368, 21616408736]

約数ペア:

[(1, 21616408736), (2, 10808204368), (4, 5404102184), (8, 2702051092), (13, 1662800672), (16, 1351025546), (26, 831400336), (32, 675512773), (52, 415700168), (104, 207850084), (169, 127907744), (208, 103925042), (338, 63953872), (416, 51962521), (676, 31976936), (1352, 15988468), (2704, 7994234), (5408, 3997117)]