21451248

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1671

約数の個数: 120

約数和(自身を含む): 73932768

約数和(自身を除く): 52481520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1637, 1638, 1872, 2184, 3274, 3276, 4368, 4911, 6548, 6552, 9822, 11459, 13096, 13104, 14733, 19644, 21281, 22918, 26192, 29466, 34377, 39288, 42562, 45836, 58932, 63843, 68754, 78576, 85124, 91672, 103131, 117864, 127686, 137508, 148967, 170248, 183344, 191529, 206262, 235728, 255372, 275016, 297934, 340496, 383058, 412524, 446901, 510744, 550032, 595868, 766116, 825048, 893802, 1021488, 1191736, 1340703, 1532232, 1650096, 1787604, 2383472, 2681406, 3064464, 3575208, 5362812, 7150416, 10725624, 21451248]

約数ペア:

[(1, 21451248), (2, 10725624), (3, 7150416), (4, 5362812), (6, 3575208), (7, 3064464), (8, 2681406), (9, 2383472), (12, 1787604), (13, 1650096), (14, 1532232), (16, 1340703), (18, 1191736), (21, 1021488), (24, 893802), (26, 825048), (28, 766116), (36, 595868), (39, 550032), (42, 510744), (48, 446901), (52, 412524), (56, 383058), (63, 340496), (72, 297934), (78, 275016), (84, 255372), (91, 235728), (104, 206262), (112, 191529), (117, 183344), (126, 170248), (144, 148967), (156, 137508), (168, 127686), (182, 117864), (208, 103131), (234, 91672), (252, 85124), (273, 78576), (312, 68754), (336, 63843), (364, 58932), (468, 45836), (504, 42562), (546, 39288), (624, 34377), (728, 29466), (819, 26192), (936, 22918), (1008, 21281), (1092, 19644), (1456, 14733), (1637, 13104), (1638, 13096), (1872, 11459), (2184, 9822), (3274, 6552), (3276, 6548), (4368, 4911)]