21343904

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8443}}^1$

素因数の和:8532

約数の個数: 24

約数和(自身を含む): 42557760

約数和(自身を除く): 21213856

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8443, 16886, 33772, 67544, 135088, 270176, 666997, 1333994, 2667988, 5335976, 10671952, 21343904]

約数ペア:

[(1, 21343904), (2, 10671952), (4, 5335976), (8, 2667988), (16, 1333994), (32, 666997), (79, 270176), (158, 135088), (316, 67544), (632, 33772), (1264, 16886), (2528, 8443)]