21904974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 59963904

約数和(自身を除く): 38058930

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 63, 78, 86, 91, 117, 126, 129, 182, 234, 258, 273, 301, 311, 387, 546, 559, 602, 622, 774, 819, 903, 933, 1118, 1638, 1677, 1806, 1866, 2177, 2709, 2799, 3354, 3913, 4043, 4354, 5031, 5418, 5598, 6531, 7826, 8086, 10062, 11739, 12129, 13062, 13373, 19593, 23478, 24258, 26746, 28301, 35217, 36387, 39186, 40119, 56602, 70434, 72774, 80238, 84903, 93611, 120357, 169806, 173849, 187222, 240714, 254709, 280833, 347698, 509418, 521547, 561666, 842499, 1043094, 1216943, 1564641, 1684998, 2433886, 3129282, 3650829, 7301658, 10952487, 21904974]

約数ペア:

[(1, 21904974), (2, 10952487), (3, 7301658), (6, 3650829), (7, 3129282), (9, 2433886), (13, 1684998), (14, 1564641), (18, 1216943), (21, 1043094), (26, 842499), (39, 561666), (42, 521547), (43, 509418), (63, 347698), (78, 280833), (86, 254709), (91, 240714), (117, 187222), (126, 173849), (129, 169806), (182, 120357), (234, 93611), (258, 84903), (273, 80238), (301, 72774), (311, 70434), (387, 56602), (546, 40119), (559, 39186), (602, 36387), (622, 35217), (774, 28301), (819, 26746), (903, 24258), (933, 23478), (1118, 19593), (1638, 13373), (1677, 13062), (1806, 12129), (1866, 11739), (2177, 10062), (2709, 8086), (2799, 7826), (3354, 6531), (3913, 5598), (4043, 5418), (4354, 5031)]