21338226

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1896

約数の個数: 72

約数和(自身を含む): 57949164

約数和(自身を除く): 36610938

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1861, 1911, 3722, 3822, 5583, 5733, 11166, 11466, 13027, 16749, 24193, 26054, 33498, 39081, 48386, 72579, 78162, 91189, 117243, 145158, 169351, 182378, 217737, 234486, 273567, 338702, 435474, 508053, 547134, 820701, 1016106, 1185457, 1524159, 1641402, 2370914, 3048318, 3556371, 7112742, 10669113, 21338226]

約数ペア:

[(1, 21338226), (2, 10669113), (3, 7112742), (6, 3556371), (7, 3048318), (9, 2370914), (13, 1641402), (14, 1524159), (18, 1185457), (21, 1016106), (26, 820701), (39, 547134), (42, 508053), (49, 435474), (63, 338702), (78, 273567), (91, 234486), (98, 217737), (117, 182378), (126, 169351), (147, 145158), (182, 117243), (234, 91189), (273, 78162), (294, 72579), (441, 48386), (546, 39081), (637, 33498), (819, 26054), (882, 24193), (1274, 16749), (1638, 13027), (1861, 11466), (1911, 11166), (3722, 5733), (3822, 5583)]