20210718

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27067362

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 71, 114, 142, 209, 213, 227, 418, 426, 454, 627, 681, 781, 1254, 1349, 1362, 1562, 2343, 2497, 2698, 4047, 4313, 4686, 4994, 7491, 8094, 8626, 12939, 14839, 14982, 16117, 25878, 29678, 32234, 44517, 47443, 48351, 89034, 94886, 96702, 142329, 177287, 284658, 306223, 354574, 531861, 612446, 918669, 1063722, 1837338, 3368453, 6736906, 10105359, 20210718]

約数ペア:

[(1, 20210718), (2, 10105359), (3, 6736906), (6, 3368453), (11, 1837338), (19, 1063722), (22, 918669), (33, 612446), (38, 531861), (57, 354574), (66, 306223), (71, 284658), (114, 177287), (142, 142329), (209, 96702), (213, 94886), (227, 89034), (418, 48351), (426, 47443), (454, 44517), (627, 32234), (681, 29678), (781, 25878), (1254, 16117), (1349, 14982), (1362, 14839), (1562, 12939), (2343, 8626), (2497, 8094), (2698, 7491), (4047, 4994), (4313, 4686)]