21559512

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 59431680

約数和(自身を除く): 37872168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1607, 1677, 2236, 3214, 3354, 4472, 4821, 6428, 6708, 9642, 12856, 13416, 19284, 20891, 38568, 41782, 62673, 69101, 83564, 125346, 138202, 167128, 207303, 250692, 276404, 414606, 501384, 552808, 829212, 898313, 1658424, 1796626, 2694939, 3593252, 5389878, 7186504, 10779756, 21559512]

約数ペア:

[(1, 21559512), (2, 10779756), (3, 7186504), (4, 5389878), (6, 3593252), (8, 2694939), (12, 1796626), (13, 1658424), (24, 898313), (26, 829212), (39, 552808), (43, 501384), (52, 414606), (78, 276404), (86, 250692), (104, 207303), (129, 167128), (156, 138202), (172, 125346), (258, 83564), (312, 69101), (344, 62673), (516, 41782), (559, 38568), (1032, 20891), (1118, 19284), (1607, 13416), (1677, 12856), (2236, 9642), (3214, 6708), (3354, 6428), (4472, 4821)]