21935321

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 2325799

約数列:

[1, 17, 31, 107, 389, 527, 1819, 3317, 6613, 12059, 41623, 56389, 205003, 707591, 1290313, 21935321]

約数ペア:

[(1, 21935321), (17, 1290313), (31, 707591), (107, 205003), (389, 56389), (527, 41623), (1819, 12059), (3317, 6613)]