21771204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19937}}^1$

素因数の和:19964

約数の個数: 48

約数和(自身を含む): 62525568

約数和(自身を除く): 40754364

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19937, 39874, 59811, 79748, 119622, 139559, 239244, 259181, 279118, 418677, 518362, 558236, 777543, 837354, 1036724, 1555086, 1674708, 1814267, 3110172, 3628534, 5442801, 7257068, 10885602, 21771204]

約数ペア:

[(1, 21771204), (2, 10885602), (3, 7257068), (4, 5442801), (6, 3628534), (7, 3110172), (12, 1814267), (13, 1674708), (14, 1555086), (21, 1036724), (26, 837354), (28, 777543), (39, 558236), (42, 518362), (52, 418677), (78, 279118), (84, 259181), (91, 239244), (156, 139559), (182, 119622), (273, 79748), (364, 59811), (546, 39874), (1092, 19937)]