21847986

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 50238240

約数和(自身を除く): 28390254

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 193, 331, 342, 386, 579, 662, 993, 1158, 1737, 1986, 2979, 3474, 3667, 5958, 6289, 7334, 11001, 12578, 18867, 22002, 33003, 37734, 56601, 63883, 66006, 113202, 127766, 191649, 383298, 574947, 1149894, 1213777, 2427554, 3641331, 7282662, 10923993, 21847986]

約数ペア:

[(1, 21847986), (2, 10923993), (3, 7282662), (6, 3641331), (9, 2427554), (18, 1213777), (19, 1149894), (38, 574947), (57, 383298), (114, 191649), (171, 127766), (193, 113202), (331, 66006), (342, 63883), (386, 56601), (579, 37734), (662, 33003), (993, 22002), (1158, 18867), (1737, 12578), (1986, 11001), (2979, 7334), (3474, 6289), (3667, 5958)]