21457896

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{38873}}^1$

素因数の和:38905

約数の個数: 32

約数和(自身を含む): 55978560

約数和(自身を除く): 34520664

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38873, 77746, 116619, 155492, 233238, 310984, 466476, 894079, 932952, 1788158, 2682237, 3576316, 5364474, 7152632, 10728948, 21457896]

約数ペア:

[(1, 21457896), (2, 10728948), (3, 7152632), (4, 5364474), (6, 3576316), (8, 2682237), (12, 1788158), (23, 932952), (24, 894079), (46, 466476), (69, 310984), (92, 233238), (138, 155492), (184, 116619), (276, 77746), (552, 38873)]