21216152

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85549}}^1$

素因数の和:85586

約数の個数: 16

約数和(自身を含む): 41064000

約数和(自身を除く): 19847848

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85549, 171098, 342196, 684392, 2652019, 5304038, 10608076, 21216152]

約数ペア:

[(1, 21216152), (2, 10608076), (4, 5304038), (8, 2652019), (31, 684392), (62, 342196), (124, 171098), (248, 85549)]