21562814

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 40049856

約数和(自身を除く): 18487042

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 257, 461, 514, 922, 1799, 3227, 3341, 3598, 5993, 6454, 6682, 11986, 23387, 41951, 46774, 83902, 118477, 236954, 829339, 1540201, 1658678, 3080402, 10781407, 21562814]

約数ペア:

[(1, 21562814), (2, 10781407), (7, 3080402), (13, 1658678), (14, 1540201), (26, 829339), (91, 236954), (182, 118477), (257, 83902), (461, 46774), (514, 41951), (922, 23387), (1799, 11986), (3227, 6682), (3341, 6454), (3598, 5993)]