22121660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 51039072

約数和(自身を除く): 28917412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 521, 772, 965, 1042, 1930, 2084, 2123, 2605, 3860, 4246, 5210, 5731, 8492, 10420, 10615, 11462, 21230, 22924, 28655, 42460, 57310, 100553, 114620, 201106, 402212, 502765, 1005530, 1106083, 2011060, 2212166, 4424332, 5530415, 11060830, 22121660]

約数ペア:

[(1, 22121660), (2, 11060830), (4, 5530415), (5, 4424332), (10, 2212166), (11, 2011060), (20, 1106083), (22, 1005530), (44, 502765), (55, 402212), (110, 201106), (193, 114620), (220, 100553), (386, 57310), (521, 42460), (772, 28655), (965, 22924), (1042, 21230), (1930, 11462), (2084, 10615), (2123, 10420), (2605, 8492), (3860, 5731), (4246, 5210)]