21882608

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 60

約数和(自身を含む): 47496960

約数和(自身を除く): 25614352

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 121, 127, 176, 178, 242, 254, 356, 484, 508, 712, 968, 979, 1016, 1397, 1424, 1936, 1958, 2032, 2794, 3916, 5588, 7832, 10769, 11176, 11303, 15367, 15664, 21538, 22352, 22606, 30734, 43076, 45212, 61468, 86152, 90424, 122936, 124333, 172304, 180848, 245872, 248666, 497332, 994664, 1367663, 1989328, 2735326, 5470652, 10941304, 21882608]

約数ペア:

[(1, 21882608), (2, 10941304), (4, 5470652), (8, 2735326), (11, 1989328), (16, 1367663), (22, 994664), (44, 497332), (88, 248666), (89, 245872), (121, 180848), (127, 172304), (176, 124333), (178, 122936), (242, 90424), (254, 86152), (356, 61468), (484, 45212), (508, 43076), (712, 30734), (968, 22606), (979, 22352), (1016, 21538), (1397, 15664), (1424, 15367), (1936, 11303), (1958, 11176), (2032, 10769), (2794, 7832), (3916, 5588)]