21650265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 49061376

約数和(自身を除く): 27411111

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 105, 117, 119, 153, 195, 221, 255, 273, 311, 315, 357, 455, 585, 595, 663, 765, 819, 933, 1071, 1105, 1365, 1547, 1555, 1785, 1989, 2177, 2799, 3315, 4043, 4095, 4641, 4665, 5287, 5355, 6531, 7735, 9945, 10885, 12129, 13923, 13995, 15861, 19593, 20215, 23205, 26435, 28301, 32655, 36387, 37009, 47583, 60645, 68731, 69615, 79305, 84903, 97965, 111027, 141505, 181935, 185045, 206193, 237915, 254709, 333081, 343655, 424515, 481117, 555135, 618579, 1030965, 1273545, 1443351, 1665405, 2405585, 3092895, 4330053, 7216755, 21650265]

約数ペア:

[(1, 21650265), (3, 7216755), (5, 4330053), (7, 3092895), (9, 2405585), (13, 1665405), (15, 1443351), (17, 1273545), (21, 1030965), (35, 618579), (39, 555135), (45, 481117), (51, 424515), (63, 343655), (65, 333081), (85, 254709), (91, 237915), (105, 206193), (117, 185045), (119, 181935), (153, 141505), (195, 111027), (221, 97965), (255, 84903), (273, 79305), (311, 69615), (315, 68731), (357, 60645), (455, 47583), (585, 37009), (595, 36387), (663, 32655), (765, 28301), (819, 26435), (933, 23205), (1071, 20215), (1105, 19593), (1365, 15861), (1547, 13995), (1555, 13923), (1785, 12129), (1989, 10885), (2177, 9945), (2799, 7735), (3315, 6531), (4043, 5355), (4095, 5287), (4641, 4665)]