21692272

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11393}}^1$

素因数の和:11425

約数の個数: 40

約数和(自身を含む): 50862816

約数和(自身を除く): 29170544

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11393, 22786, 45572, 79751, 91144, 159502, 182288, 193681, 319004, 387362, 638008, 774724, 1276016, 1355767, 1549448, 2711534, 3098896, 5423068, 10846136, 21692272]

約数ペア:

[(1, 21692272), (2, 10846136), (4, 5423068), (7, 3098896), (8, 2711534), (14, 1549448), (16, 1355767), (17, 1276016), (28, 774724), (34, 638008), (56, 387362), (68, 319004), (112, 193681), (119, 182288), (136, 159502), (238, 91144), (272, 79751), (476, 45572), (952, 22786), (1904, 11393)]