21807972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31883}}^1$

素因数の和:31912

約数の個数: 36

約数和(自身を含む): 58028880

約数和(自身を除く): 36220908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31883, 63766, 95649, 127532, 191298, 286947, 382596, 573894, 605777, 1147788, 1211554, 1817331, 2423108, 3634662, 5451993, 7269324, 10903986, 21807972]

約数ペア:

[(1, 21807972), (2, 10903986), (3, 7269324), (4, 5451993), (6, 3634662), (9, 2423108), (12, 1817331), (18, 1211554), (19, 1147788), (36, 605777), (38, 573894), (57, 382596), (76, 286947), (114, 191298), (171, 127532), (228, 95649), (342, 63766), (684, 31883)]