21986144

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9677}}^1$

素因数の和:9758

約数の個数: 24

約数和(自身を含む): 43899408

約数和(自身を除く): 21913264

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9677, 19354, 38708, 77416, 154832, 309664, 687067, 1374134, 2748268, 5496536, 10993072, 21986144]

約数ペア:

[(1, 21986144), (2, 10993072), (4, 5496536), (8, 2748268), (16, 1374134), (32, 687067), (71, 309664), (142, 154832), (284, 77416), (568, 38708), (1136, 19354), (2272, 9677)]