21909204

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3559}}^1$

素因数の和:3594

約数の個数: 60

約数和(自身を含む): 60306400

約数和(自身を除く): 38397196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3559, 6156, 7118, 10677, 14236, 21354, 32031, 42708, 64062, 67621, 96093, 128124, 135242, 192186, 202863, 270484, 288279, 384372, 405726, 576558, 608589, 811452, 1153116, 1217178, 1825767, 2434356, 3651534, 5477301, 7303068, 10954602, 21909204]

約数ペア:

[(1, 21909204), (2, 10954602), (3, 7303068), (4, 5477301), (6, 3651534), (9, 2434356), (12, 1825767), (18, 1217178), (19, 1153116), (27, 811452), (36, 608589), (38, 576558), (54, 405726), (57, 384372), (76, 288279), (81, 270484), (108, 202863), (114, 192186), (162, 135242), (171, 128124), (228, 96093), (324, 67621), (342, 64062), (513, 42708), (684, 32031), (1026, 21354), (1539, 14236), (2052, 10677), (3078, 7118), (3559, 6156)]