21039156

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10253}}^1$

素因数の和:10285

約数の個数: 48

約数和(自身を含む): 57422400

約数和(自身を除く): 36383244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10253, 20506, 30759, 41012, 61518, 92277, 123036, 184554, 194807, 276831, 369108, 389614, 553662, 584421, 779228, 1107324, 1168842, 1753263, 2337684, 3506526, 5259789, 7013052, 10519578, 21039156]

約数ペア:

[(1, 21039156), (2, 10519578), (3, 7013052), (4, 5259789), (6, 3506526), (9, 2337684), (12, 1753263), (18, 1168842), (19, 1107324), (27, 779228), (36, 584421), (38, 553662), (54, 389614), (57, 369108), (76, 276831), (108, 194807), (114, 184554), (171, 123036), (228, 92277), (342, 61518), (513, 41012), (684, 30759), (1026, 20506), (2052, 10253)]