21605742

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{70607}}^1$

素因数の和:70632

約数の個数: 24

約数和(自身を含む): 49566816

約数和(自身を除く): 27961074

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 70607, 141214, 211821, 423642, 635463, 1200319, 1270926, 2400638, 3600957, 7201914, 10802871, 21605742]

約数ペア:

[(1, 21605742), (2, 10802871), (3, 7201914), (6, 3600957), (9, 2400638), (17, 1270926), (18, 1200319), (34, 635463), (51, 423642), (102, 211821), (153, 141214), (306, 70607)]