21229126845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1663073}}^1$

素因数の和:1663141

約数の個数: 32

約数和(自身を含む): 36401363712

約数和(自身を除く): 15172236867

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 1663073, 4989219, 8315365, 24946095, 38250679, 61533701, 114752037, 184601103, 191253395, 307668505, 573760185, 923005515, 1415275123, 4245825369, 7076375615, 21229126845]

約数ペア:

[(1, 21229126845), (3, 7076375615), (5, 4245825369), (15, 1415275123), (23, 923005515), (37, 573760185), (69, 307668505), (111, 191253395), (115, 184601103), (185, 114752037), (345, 61533701), (555, 38250679), (851, 24946095), (2553, 8315365), (4255, 4989219), (12765, 1663073)]