2164186.00000000

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 38301120

約数和(自身を除く): 16346061

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 183, 197, 203, 261, 427, 549, 591, 609, 1281, 1379, 1769, 1773, 1827, 3843, 4137, 5307, 5713, 12017, 12383, 12411, 15921, 17139, 36051, 37149, 39991, 51417, 84119, 108153, 111447, 119973, 252357, 348493, 359919, 757071, 1045479, 2439451, 3136437, 7318353, 21955059]

約数ペア:

[(1, 21955059), (3, 7318353), (7, 3136437), (9, 2439451), (21, 1045479), (29, 757071), (61, 359919), (63, 348493), (87, 252357), (183, 119973), (197, 111447), (203, 108153), (261, 84119), (427, 51417), (549, 39991), (591, 37149), (609, 36051), (1281, 17139), (1379, 15921), (1769, 12411), (1773, 12383), (1827, 12017), (3843, 5713), (4137, 5307)]