21540414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26993}}^1$

素因数の和:27024

約数の個数: 32

約数和(自身を含む): 51828480

約数和(自身を除く): 30288066

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26993, 53986, 80979, 161958, 188951, 377902, 512867, 566853, 1025734, 1133706, 1538601, 3077202, 3590069, 7180138, 10770207, 21540414]

約数ペア:

[(1, 21540414), (2, 10770207), (3, 7180138), (6, 3590069), (7, 3077202), (14, 1538601), (19, 1133706), (21, 1025734), (38, 566853), (42, 512867), (57, 377902), (114, 188951), (133, 161958), (266, 80979), (399, 53986), (798, 26993)]