21848655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 15973809

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1823, 2397, 3995, 5469, 9115, 11985, 27345, 30991, 85681, 92973, 154955, 257043, 428405, 464865, 1285215, 1456577, 4369731, 7282885, 21848655]

約数ペア:

[(1, 21848655), (3, 7282885), (5, 4369731), (15, 1456577), (17, 1285215), (47, 464865), (51, 428405), (85, 257043), (141, 154955), (235, 92973), (255, 85681), (705, 30991), (799, 27345), (1823, 11985), (2397, 9115), (3995, 5469)]