21641884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28933}}^1$

素因数の和:28965

約数の個数: 24

約数和(自身を含む): 43748208

約数和(自身を除く): 22106324

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28933, 57866, 115732, 318263, 491861, 636526, 983722, 1273052, 1967444, 5410471, 10820942, 21641884]

約数ペア:

[(1, 21641884), (2, 10820942), (4, 5410471), (11, 1967444), (17, 1273052), (22, 983722), (34, 636526), (44, 491861), (68, 318263), (187, 115732), (374, 57866), (748, 28933)]