21808926

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7919}}^1$

素因数の和:7950

約数の個数: 40

約数和(自身を含む): 51749280

約数和(自身を除く): 29940354

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7919, 15838, 23757, 47514, 71271, 134623, 142542, 213813, 269246, 403869, 427626, 641439, 807738, 1211607, 1282878, 2423214, 3634821, 7269642, 10904463, 21808926]

約数ペア:

[(1, 21808926), (2, 10904463), (3, 7269642), (6, 3634821), (9, 2423214), (17, 1282878), (18, 1211607), (27, 807738), (34, 641439), (51, 427626), (54, 403869), (81, 269246), (102, 213813), (153, 142542), (162, 134623), (306, 71271), (459, 47514), (918, 23757), (1377, 15838), (2754, 7919)]