21326930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112247}}^1$

素因数の和:112273

約数の個数: 16

約数和(自身を含む): 40409280

約数和(自身を除く): 19082350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 112247, 224494, 561235, 1122470, 2132693, 4265386, 10663465, 21326930]

約数ペア:

[(1, 21326930), (2, 10663465), (5, 4265386), (10, 2132693), (19, 1122470), (38, 561235), (95, 224494), (190, 112247)]