21123592

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19853}}^1$

素因数の和:19885

約数の個数: 32

約数和(自身を含む): 47649600

約数和(自身を除く): 26526008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19853, 39706, 79412, 138971, 158824, 277942, 377207, 555884, 754414, 1111768, 1508828, 2640449, 3017656, 5280898, 10561796, 21123592]

約数ペア:

[(1, 21123592), (2, 10561796), (4, 5280898), (7, 3017656), (8, 2640449), (14, 1508828), (19, 1111768), (28, 754414), (38, 555884), (56, 377207), (76, 277942), (133, 158824), (152, 138971), (266, 79412), (532, 39706), (1064, 19853)]