21717684

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31751}}^1$

素因数の和:31780

約数の個数: 36

約数和(自身を含む): 57788640

約数和(自身を除く): 36070956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31751, 63502, 95253, 127004, 190506, 285759, 381012, 571518, 603269, 1143036, 1206538, 1809807, 2413076, 3619614, 5429421, 7239228, 10858842, 21717684]

約数ペア:

[(1, 21717684), (2, 10858842), (3, 7239228), (4, 5429421), (6, 3619614), (9, 2413076), (12, 1809807), (18, 1206538), (19, 1143036), (36, 603269), (38, 571518), (57, 381012), (76, 285759), (114, 190506), (171, 127004), (228, 95253), (342, 63502), (684, 31751)]