21564544

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8867}}^1$

素因数の和:8900

約数の個数: 32

約数和(自身を含む): 45226800

約数和(自身を除く): 23662256

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8867, 17734, 35468, 70936, 141872, 168473, 283744, 336946, 567488, 673892, 1134976, 1347784, 2695568, 5391136, 10782272, 21564544]

約数ペア:

[(1, 21564544), (2, 10782272), (4, 5391136), (8, 2695568), (16, 1347784), (19, 1134976), (32, 673892), (38, 567488), (64, 336946), (76, 283744), (128, 168473), (152, 141872), (304, 70936), (608, 35468), (1216, 17734), (2432, 8867)]