21786894

素因数分解:

$2^1\times 3^7\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 52073280

約数和(自身を除く): 30286386

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 293, 306, 459, 486, 586, 729, 879, 918, 1377, 1458, 1758, 2187, 2637, 2754, 4131, 4374, 4981, 5274, 7911, 8262, 9962, 12393, 14943, 15822, 23733, 24786, 29886, 37179, 44829, 47466, 71199, 74358, 89658, 134487, 142398, 213597, 268974, 403461, 427194, 640791, 806922, 1210383, 1281582, 2420766, 3631149, 7262298, 10893447, 21786894]

約数ペア:

[(1, 21786894), (2, 10893447), (3, 7262298), (6, 3631149), (9, 2420766), (17, 1281582), (18, 1210383), (27, 806922), (34, 640791), (51, 427194), (54, 403461), (81, 268974), (102, 213597), (153, 142398), (162, 134487), (243, 89658), (293, 74358), (306, 71199), (459, 47466), (486, 44829), (586, 37179), (729, 29886), (879, 24786), (918, 23733), (1377, 15822), (1458, 14943), (1758, 12393), (2187, 9962), (2637, 8262), (2754, 7911), (4131, 5274), (4374, 4981)]