21742812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6637}}^1$

素因数の和:6667

約数の個数: 72

約数和(自身を含む): 67654496

約数和(自身を除く): 45911684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6637, 13274, 19911, 26548, 39822, 46459, 59733, 79644, 86281, 92918, 119466, 139377, 172562, 185836, 238932, 258843, 278754, 345124, 418131, 517686, 557508, 603967, 776529, 836262, 1035372, 1207934, 1553058, 1672524, 1811901, 2415868, 3106116, 3623802, 5435703, 7247604, 10871406, 21742812]

約数ペア:

[(1, 21742812), (2, 10871406), (3, 7247604), (4, 5435703), (6, 3623802), (7, 3106116), (9, 2415868), (12, 1811901), (13, 1672524), (14, 1553058), (18, 1207934), (21, 1035372), (26, 836262), (28, 776529), (36, 603967), (39, 557508), (42, 517686), (52, 418131), (63, 345124), (78, 278754), (84, 258843), (91, 238932), (117, 185836), (126, 172562), (156, 139377), (182, 119466), (234, 92918), (252, 86281), (273, 79644), (364, 59733), (468, 46459), (546, 39822), (819, 26548), (1092, 19911), (1638, 13274), (3276, 6637)]