21734055

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 44774400

約数和(自身を除く): 23040345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 109, 135, 189, 211, 315, 327, 545, 633, 763, 945, 981, 1055, 1477, 1635, 1899, 2289, 2943, 3165, 3815, 4431, 4905, 5697, 6867, 7385, 9495, 11445, 13293, 14715, 20601, 22155, 22999, 28485, 34335, 39879, 66465, 68997, 103005, 114995, 160993, 199395, 206991, 344985, 482979, 620973, 804965, 1034955, 1448937, 2414895, 3104865, 4346811, 7244685, 21734055]

約数ペア:

[(1, 21734055), (3, 7244685), (5, 4346811), (7, 3104865), (9, 2414895), (15, 1448937), (21, 1034955), (27, 804965), (35, 620973), (45, 482979), (63, 344985), (105, 206991), (109, 199395), (135, 160993), (189, 114995), (211, 103005), (315, 68997), (327, 66465), (545, 39879), (633, 34335), (763, 28485), (945, 22999), (981, 22155), (1055, 20601), (1477, 14715), (1635, 13293), (1899, 11445), (2289, 9495), (2943, 7385), (3165, 6867), (3815, 5697), (4431, 4905)]