20211757412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1\times {\mathrm{797}}^1$

素因数の和:1557

約数の個数: 96

約数和(自身を含む): 44550003456

約数和(自身を除く): 24338246044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 548, 601, 797, 959, 1202, 1507, 1594, 1918, 2404, 3014, 3188, 3836, 4207, 5579, 6028, 6611, 8414, 8767, 10549, 11158, 13222, 16828, 17534, 21098, 22316, 26444, 35068, 42196, 46277, 61369, 82337, 92554, 109189, 122738, 164674, 185108, 218378, 245476, 329348, 436756, 478997, 576359, 764323, 905707, 957994, 1152718, 1201079, 1528646, 1811414, 1915988, 2305436, 2402158, 3057292, 3352979, 3622828, 4804316, 5268967, 6339949, 6705958, 8407553, 10537934, 12679898, 13411916, 16815106, 21075868, 25359796, 33630212, 36882769, 65622589, 73765538, 131245178, 147531076, 262490356, 459358123, 721848479, 918716246, 1443696958, 1837432492, 2887393916, 5052939353, 10105878706, 20211757412]

約数ペア:

[(1, 20211757412), (2, 10105878706), (4, 5052939353), (7, 2887393916), (11, 1837432492), (14, 1443696958), (22, 918716246), (28, 721848479), (44, 459358123), (77, 262490356), (137, 147531076), (154, 131245178), (274, 73765538), (308, 65622589), (548, 36882769), (601, 33630212), (797, 25359796), (959, 21075868), (1202, 16815106), (1507, 13411916), (1594, 12679898), (1918, 10537934), (2404, 8407553), (3014, 6705958), (3188, 6339949), (3836, 5268967), (4207, 4804316), (5579, 3622828), (6028, 3352979), (6611, 3057292), (8414, 2402158), (8767, 2305436), (10549, 1915988), (11158, 1811414), (13222, 1528646), (16828, 1201079), (17534, 1152718), (21098, 957994), (22316, 905707), (26444, 764323), (35068, 576359), (42196, 478997), (46277, 436756), (61369, 329348), (82337, 245476), (92554, 218378), (109189, 185108), (122738, 164674)]