21887772

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5647}}^1$

素因数の和:5690

約数の個数: 48

約数和(自身を含む): 56931840

約数和(自身を除く): 35044068

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5647, 11294, 16941, 22588, 33882, 67764, 95999, 107293, 191998, 214586, 287997, 321879, 383996, 429172, 575994, 643758, 1151988, 1287516, 1823981, 3647962, 5471943, 7295924, 10943886, 21887772]

約数ペア:

[(1, 21887772), (2, 10943886), (3, 7295924), (4, 5471943), (6, 3647962), (12, 1823981), (17, 1287516), (19, 1151988), (34, 643758), (38, 575994), (51, 429172), (57, 383996), (68, 321879), (76, 287997), (102, 214586), (114, 191998), (204, 107293), (228, 95999), (323, 67764), (646, 33882), (969, 22588), (1292, 16941), (1938, 11294), (3876, 5647)]