21922695

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 39929760

約数和(自身を除く): 18007065

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 107, 145, 157, 261, 321, 435, 471, 535, 785, 963, 1305, 1413, 1605, 2355, 3103, 4553, 4815, 7065, 9309, 13659, 15515, 16799, 22765, 27927, 40977, 46545, 50397, 68295, 83995, 139635, 151191, 204885, 251985, 487171, 755955, 1461513, 2435855, 4384539, 7307565, 21922695]

約数ペア:

[(1, 21922695), (3, 7307565), (5, 4384539), (9, 2435855), (15, 1461513), (29, 755955), (45, 487171), (87, 251985), (107, 204885), (145, 151191), (157, 139635), (261, 83995), (321, 68295), (435, 50397), (471, 46545), (535, 40977), (785, 27927), (963, 22765), (1305, 16799), (1413, 15515), (1605, 13659), (2355, 9309), (3103, 7065), (4553, 4815)]