21224588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 25514356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 503, 548, 959, 1006, 1507, 1918, 2012, 3014, 3521, 3836, 5533, 6028, 7042, 10549, 11066, 14084, 21098, 22132, 38731, 42196, 68911, 77462, 137822, 154924, 275644, 482377, 758021, 964754, 1516042, 1929508, 3032084, 5306147, 10612294, 21224588]

約数ペア:

[(1, 21224588), (2, 10612294), (4, 5306147), (7, 3032084), (11, 1929508), (14, 1516042), (22, 964754), (28, 758021), (44, 482377), (77, 275644), (137, 154924), (154, 137822), (274, 77462), (308, 68911), (503, 42196), (548, 38731), (959, 22132), (1006, 21098), (1507, 14084), (1918, 11066), (2012, 10549), (3014, 7042), (3521, 6028), (3836, 5533)]