21316856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8353}}^1$

素因数の和:8399

約数の個数: 32

約数和(自身を含む): 45111600

約数和(自身を除く): 23794744

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 8353, 16706, 33412, 66824, 91883, 183766, 242237, 367532, 484474, 735064, 968948, 1937896, 2664607, 5329214, 10658428, 21316856]

約数ペア:

[(1, 21316856), (2, 10658428), (4, 5329214), (8, 2664607), (11, 1937896), (22, 968948), (29, 735064), (44, 484474), (58, 367532), (88, 242237), (116, 183766), (232, 91883), (319, 66824), (638, 33412), (1276, 16706), (2552, 8353)]