21427224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9811}}^1$

素因数の和:9840

約数の個数: 64

約数和(自身を含む): 65936640

約数和(自身を除く): 44509416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9811, 19622, 29433, 39244, 58866, 68677, 78488, 117732, 127543, 137354, 206031, 235464, 255086, 274708, 382629, 412062, 510172, 549416, 765258, 824124, 892801, 1020344, 1530516, 1648248, 1785602, 2678403, 3061032, 3571204, 5356806, 7142408, 10713612, 21427224]

約数ペア:

[(1, 21427224), (2, 10713612), (3, 7142408), (4, 5356806), (6, 3571204), (7, 3061032), (8, 2678403), (12, 1785602), (13, 1648248), (14, 1530516), (21, 1020344), (24, 892801), (26, 824124), (28, 765258), (39, 549416), (42, 510172), (52, 412062), (56, 382629), (78, 274708), (84, 255086), (91, 235464), (104, 206031), (156, 137354), (168, 127543), (182, 117732), (273, 78488), (312, 68677), (364, 58866), (546, 39244), (728, 29433), (1092, 19622), (2184, 9811)]